NaNO3, commonly referred to as sodium nitrate, is not an acid or a base. Ok Caro An acid can be defined as a substance that can donate a hydrogen ion, that is a proton to another substance. 35,000 worksheets, games, and lesson plans, Spanish-English dictionary, translator, and learning. A 5-kg box is being lifted upward at a constant velocity of 2m/s2 \mathrm{~m} / \mathrm{s}2m/s by a force equal to the weight of the box. We define acids as having a pH less than 7 and bases as having a pH above 7. So yes, it is a weak acid (NH4+) and weak base (NO2-). The conjugate acid of the anaonic part is a week is weak, as the k value of his is smaller than the cab value of the conjugate base of the cateonic part. I've tried submitting the ones that are insoluble in water and it was wrong. Isabelle_Boynton. How can this new ban on drag possibly be considered constitutional? Using equation $(2)$, we know that $\ce{CH3CH2NH3+}$ will react with water reaching an acidic equilibrium. What are the units used for the ideal gas law? LiF is obviously neutral, because it's a salt of very strong acid and very strong base. Calculate the pH after 0.10 mol of HCl has been added to the original solution. yes: HONH2 5 Answers There is no word like addressal. Acidic and Basic Salt Solutions. To learn more, see our tips on writing great answers. Water accepts a proton from vinegar. Calculate the pH of a 0.10 M solution of acrylic acid. Note that B has three hydrogens bonded to it. If it is a salt of a strong acid and a weak base, the solution will be acidic due to the hydrolysis of the weak base component (cation). Decide if the solution is acidic, basic or neutral: Solution is acidic because [H +] > [OH-] Question 2. For the next three problems, consider 1.0 L of a solution which is 0.55 M HC2H3O2 and 0.2 M NaC2H3O2 (Ka for HC2H3O2 = 1.8 x 10-5). . martha's vineyard sharks: 2021; why does destiny 2 keep crashing ps5; the black ball by ralph ellison symbols (6 points) 3. Are solutions of the following salts acidic, basic, or neutral? How do you find density in the ideal gas law. a. KCl - neutral b. NH4C2H3O2 - neutral c. CH3NH3Cl - acidic d. KF - basic e. NH4F - acidic f. CH3NH3CN - basic g. NaNO2 basic h. KOCl - basic 5. State whether each of the following aqueous solutions would be acidic, basic, or neutral. Solution Can be Acidic, Basic, or Neutral. The acid color form of acid-base indicators is different from its base color form. REINA. Rita Cosby Voice, Jun 23. ch3nh3cn acid or base or neutralburning off yarra ranges. Have my upvote! A. acidic B. basic N. neutral - e-eduanswers.com All of these salts will fully dissociate in water. Acid-Base Properties of Salts. As such, NaNO3 is neither an acid nor a base. Cl- is a very weak conjugate base so its basicity is negligible. Get a free answer to a quick problem. The anion is the conjugate base of a weak acid. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. hbbd```b``; Experts are tested by Chegg as specialists in their subject area. The pH of the resulting solution is 3.4. Lv 7. Favourite answer. Apakah Sobat mau mencari bacaan seputar Naclo4 Acid Or Base Or Neutral namun belum ketemu? We have learnt about three classes of substances: acids, bases and neutral substances. For the next three problems, consider 1.0 L of a solution which is 0.55 M HF and 0.2 M NaF (Ka for HF = 7.2 x 10-4). 2015 Yz250 For Sale, from 1/30 chapter 14. KCl-Neutral A) Sr(NO3)2 B) NH4C2H3O2 C) CH3NH3Cl D) C6H5NH3ClO2 E) NH4F F) CH3NH3CN A) Sr(NO3)2 B) NH4C2H3O2 C) CH3NH3Cl D) C6H5NH3ClO2 E) NH4F F) CH3NH3CN weak acid. This problem has been solved! Will the following salts form a sotuion that is acidic, basic, or neutral? Re: Determining relative strength of acids and bases. See answer (1) Best Answer. Chris needs to make 500 L of a 35% acidic solution. NaCN Show ice table with values Example 7.14 (P259) Predict whether an aqueous solution of each of the following salts will be acidic, basic, or neutral. Neither statement is correct. Assume 2 significant figures in all of the given concentrations so that you should calculate all of the following pH values to two decimal places. Acidity and basicity, proton concentration, the pH scale, and buffers. Copy. Raise to minus 4 point. On the other hand, soluble salts that contain cations derived from weak bases form solutions that are acidic. Pitt Faculty Diversity And Development. 14 terms. Get 5 free video unlocks on our app with code GOMOBILE. Ans: When a soluble salt dissolves in water it does not form neutral solution, rather it forms either acidic or basic solution depending upon the composition of the salt. I mentioned that $\ce{CH3CH2NH2}$ is weak, meaning that this reaction is reversible: $$\ce{CH3CH2NH2 + H2O <=> CH3CH2NH3+ + OH-}\tag1$$. Relevance. The components of a buffer solution neutralize an acid or a base introduced into a solution. The salt in which thecationic part is the conjugate acid of a weak base then. Solution z has a pH 4.0 units higher than that of solution x. calculate the ration of [H3O+] between solutions x&y and between x&z. But you have to compare the Ka and Kb for these species before making a judgement! no: HOBr + B + HX BH + X Base Acid Conjugate Conjugate Acid of B Base of HX B is the proton acceptor (the base) and HX is the proton donor (the acid). NaF. I was skimming through the questions and ran across this one - this is not a neutral salt "because it is formed from a weak acid and a weak base". 6529 views Um, thus so a decision. 1. 16 Sets 1-2. Consider 0.10 M solutions of the following substances. to the empployees was very informative. C6H5NH3ClO2 E) NH4F F) CH3NH3CN acid-base; A) CH3NH3+ is a weak acid; CN- is a weak base; So the solutionis view the full answer CH3NH3CN; in which the strength of an acid,or a base in a liquid solution is measured.the ph scale is a series ; Is HCO3- an acid or base. Favourite answer. 7. f. NH 4 OCl The non-trivial calculation of the initial equilibrium state is included, since the it determines which processes are observed during voltammetry. Step 1: Glacial acetic acid, the most concentrated CH3COOH you can buy, has a concentration of 17.54 M. Calculate the concentration of CH3COOH is a solution that is prepared by combining 15.0 mL of glacial acetic acid with enough water to make 250-mL of solution. Ka for NH4+ is 1.00 x 10^-14 / 1.8 x 10^-5 = 5.6 x 10^-10. The pH of the resulting solution is 3.4. See the answer See the answer See the answer done loading. One must compare K a and K b for H 2 PO 4-.) Why do academics stay as adjuncts for years rather than move around? Recovering from a blunder I made while emailing a professor. It came from a strong base, KOH, and a weak acid, HF. Record your pH value to 2 decimal places. estas disculpada/o. Click to see full answer. If pH < 7, then the solution is acidic. ph of 7 is neutral . Homework Acid/Base VII Acid/Base VII - Problem 1 of 2 Is it acidic or basic? But you have to compare the Ka and Kb for these species before making a judgement! H 2 PO 4-+ H 2 O X H 3 O + + HPO 4 2-K a = K a2 for H 3 PO 4 = 6.2 x 10-8 H 2 PO 4-+ H 2 O X H 3 PO 4 + OH-Since K a > K b, the solution will be acidic. Include the units of mL in your answer. Communist Quotes In Russian, cocl2 bond angle. CH3NH3CN basic, acidic, or neutral? NaOH is strong base, HCl a strong acid, solution is neutral NH4Cl + HOH ==> NH4OH + HCl NH4OH (NH3 + HOH) is a weak base, HCl a strong acid, solution is acidic. Used Washing Machines Under 200, H 2 PO 4-+ H 2 O X H 3 O + + HPO 4 2-K a = K a2 for H 3 PO 4 = 6.2 x 10-8 H 2 PO 4-+ H 2 O X H 3 PO 4 + OH-Since K a > K b, the solution will be acidic. 5505 0 obj <>/Filter/FlateDecode/ID[<5F593A48C7A8C842808F88DD110C0DBF><974ABC930B966D43A1E06811416B86E6>]/Index[5484 55]/Info 5483 0 R/Length 104/Prev 851319/Root 5485 0 R/Size 5539/Type/XRef/W[1 3 1]>>stream Therefore, when $\ce{CH3CH2NH3Cl}$ dissolves in water, there would be initially an equal amount of $\ce{CH3CH2NH3+}$ and $\ce{Cl-}$ in terms of number of moles. All look ok to me except for NH4ClO. (a) What is the power input of the force? This is because water sits at a pH of 7 and we do most of our chemistry in water. Answer (1 of 10): Neither. Rank the solutions in order of increasing pH where 1 is the solution with the lowest pH and 7 is the solution with the highest pH. When B accepts a proton, the central atom goes from having 3 bonded hydrogens . Linear Algebra - Linear transformation question. Ka(HCN) =6.2 x basic: NaCN. Chinese Atv Reviews, Your email address will not be published. Let the layers separate. curse of civil war gold finale spoiler; casinos that allow smoking in michigan; can i return woot items at kohl's The overall salt does not donate protons, the CH3NH3+ ion does (to form H3O+) when the salt is dissociated in water. SrF. Have you tried drawing it? An aqueous solution of KC2H3O2 will be basic. This is the best answer based on feedback and ratings. Below are some ideas and generalizations to keep in mind that will help in recognizing types of species . He has only two of the acidic solutions available, a 25% solution and a 50% solution. embroidery classes adelaide; what happened to derrick williams; aimsweb 1st grade reading passages; civil radio frequencies; adult children screening quiz H3PO4) its a bit more complicated and we need to use Ka and Kb to determine the pH of the resulting solution.More chemistry help at http://www.Breslyn.org. Calculate the pH of each of the following solutions (4 points) (a) 0.12 M KNO2 . I also have for the K B for the K B values of week basis. This compound in an aqueous solution will, therefore, form a basic . NH{eq}_4 {/eq}F Ammonium ion is the weak conjugate acid of the weak base ammonia, with a p K {eq}\rm _a . If neutral, simply write only NR. $\ce{CH3CH2NH3Cl}$ is acidic because it is formed from a strong acid ($\ce{HCl}$) and a weak base ($\ce{CH3CH2NH2}$). HONH3 NaNO2 Salt ch3nh3cn acid or base or neutralgirondins bordeaux players. ProStarSolar > Blog Classic > Uncategorized > ch3nh3cn acid or base or neutral. Concentrated sulphuric acid should not be used while preparing hydrogen gas in laboratory. CH3NH3Cld. b. Although the K + ion derives from a strong base (KOH), the NO 2 ion derives from a weak acid (HNO 2). Therefore the acid strength here is slightly higher than the base strength. What is the pH of NaI? We saw that what will be the nature of salt if the acid and base both are strong, and what will be the nature if one of them is strong and the other is weak. A solution of pH 2.8 is? Consider the titration of 100.0 mL of 0.100 M HNO3 by 0.200 M NaOH. Ammonium ion is a stronger acid than nitrite ion is a base, so the solution will be acidic. Ka (HCN) =6.2 x 10^-10; Kb (CH3NH3) = 4.4 x 10^-4. Calculate the pH of this solution. 0 Sciences, Culinary Arts and Personal Become a Study.com member to unlock this Ammonium nitrite is the salt of quite a weak acid and a weakish base. A solution consisting of 0.1 M CH3NH3Cl and 0.1 M CH3NH2 would be a more effective buffer than one containing 1.5 M CH3NH3Cl and 1.5 M CH3NH2 If [CH3NH3+] = [CH3NH2], then pH = 7.00. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? CHNHCyanide is a salt of weak acid hydrogen cyanide and weak base CHNHOH, so the resultant solution of the salt is neutral in nature. a) Acids, bases, and neutral solutions differ based on their pH values. 60% of the human body Dissolves ionic compounds (Dissociation Reaction) Acid-base reactions occur in water (Neutralizations . And we have the K A values and K A B values and tables 14.2 and 14.3. I mentioned that $\ce {CH3CH2NH2}$ is weak, meaning that this reaction is reversible: Calculate the pH after 0.20 mol of NaOH has been added to the original buffer solution. Marcella Season 3 Episode 6 Recap, After this, to calculate the pH of your salt solution, you need to know the concentration of the salt solution, whether the salt is an acidic, basic, or neutral, the equation for the interaction of the ion with the water (an ionic equation helps), the equilibrium expression for this interaction and the Ka or Kb value. A. Al(NO3)3Al. Made from an acid and a base, salt can react with water and produce acidic, basic, or neutral solutions. Industrial Area: Lifting crane and old wagon parts, how to make hot tamales with aluminum foil, medial meniscal extrusion: detection, evaluation and clinical implications, mobile homes for rent in osceola county, fl, the reserve club aiken, sc membership cost. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The Ka for NH4+ can be found by Kw/ (Kb for NH3) and the Kb for NO2- can be found by Kw/ (Ka for HNO2). KH 2 PO 4 - acidic (H 2 PO 4-is amphiprotic, it can react as both an acid and a base. no: NaOBr. Consider a solution of 0.55 M NH3 (Kb = 1.810-5). Wegmans Employee Covid Policy, Calculate the pH of this solution. The neutral substances that are the most well known are: water, table salt, sugar solution and cooking oil. CH3NH3CN basic, acidic, or neutral? Using Kolmogorov complexity to measure difficulty of problems? acidic: C5H5NHBr CH3NH3NO3. NaCl (s) Na + (aq) + Cl-(aq) H 2 O Salts Resulting in Basic Solutions (pH > 7): Salts derived from a strong base and/or a . Hence, sodium acetate is basic in aqueous medium. What is the conjugate base of H2NNH3+? How does trp operon regulate tryptophan levels? answered 03/19/17, Praxis Certified Chemistry Tutor and Professor. Hence, appropriate differentiation was done above. What do you think ought to be the cation and anion parts when dissociating in water? No packages or subscriptions, pay only for the time you need. Can I use this word like this: The addressal by the C.E.O. and A when the acid ionizes in water; Figure 1 lists several strong acids. Are the solutions of the following salts acidic, basic, or neutral ? Since the are equal the solution will be neutral and the pH close to 7. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. The equation for CH3COONa is:CH3COOH + NaOH = CH3COONa + H2OIt is also useful to have memorized the common strong acids and bases to determine whether CH3COONa acts as an acid or base in water (or if it forms a neutral solution).Strong acids: HCl, H2SO4, HNO3, HBr, HI, HClO4Weak acids: HF, CH3COOH, H2CO3, H3PO4, HNO2, H2SO3Strong Bases: LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2Weak Bases: NH3, NH4OHNote that we are talking about whether CH3COONa is an acid, base, or neutral when dissolved in water.- Salts of strong bases and strong acids: pH will remain neutral at 7.- Salts of weak bases and strong acids: pH less than 7 (acidic).- Salts from strong bases and weak acids: pH greater than 7 (alkaline).Based on these rules, the solution of CH3COONa dissolved in water is basic.For polyprotic acids (e.g. At 25C, 10 mL of aqueous sodium hydroxide solution is added to 100 mL of aqueous ethanoic (acetic) acid solution. Fe(ClO4)3-Acid Acid - Base Properties of Amino Acids: Acidic Side Chains: If the side chain contains an acid functional group, the whole amino acid produces an acidic solution. 156. Watch Queue Queue. Ch. This answer is: Study guides. False: If HCl were added to the initial buffer solution, then the [CH3NH3+] would decrease. Assume 2 significant figures in all of the given concentrations so that you should calculate all of the following pH values to two decimal places. 21. False: If [CH3NH3+] < [CH3NH2], then the [H+] is larger than the Ka value. Acid - Base Theories Arrhenius Definition acid--donates a hydrogen ion (H+) in water base--donates a hydroxide ion in water (OH-) This theory was limited to substances with those "parts"; ammonia is a MAJOR exception!. Add your answer and earn points. Consider 0.25 M solutions of the following salts. Record your pH value to 2 decimal places. acidic NH4CN is acidic, basic or neutral? 10-46. I wish there were more first answers like this! Homework Acid/Base VII Acid/Base VII - Problem 2 of 2 a. NaNO 3. b. NaNO 2. c. C 5 H 5 NHClO 4. d. NH 4 NO 2. e. KOCl. Salt solutions are acidic because of hydrolysis. For each salt, indicate whether the solution is acidic, basic, or neutral. Services, What is Salt Hydrolysis? The following self acidic basically neutral for those air. But you have to compare the Ka and Kb for these species before making a judgement! Remember, when certain soluble salts are dissolved in water the resulting solution is not neutral. Credit Solution Experts Incorporated offers quality business credit building services, which includes an easy step-by-step system designed for helping clients build their business credit effortlessly. The ions from KCl derive from a strong acid (HCl) and a strong base (KOH).Therefore, neither ion will affect the acidity of the solution, so KCl is a neutral salt.Although the K + ion derives from a strong base (KOH), the NO 2 ion derives from a weak acid (HNO 2). saragillchem. Click 'Join' if it's correct. Pieza del juego de ajedrez,la ms importante despus del rey: la reina puede moverse como cualquiera de las dems piezas,excepto el caballo. Berkeley County School District, 16 Sets 1-2. Which of the following statements are true concerning this solution? First we need to figure out the acid and base that were neutralized to form Sodium acetate. There are several possible reactions that may happen depending on the ions present, such as acid-base, redox and precipitation. The relevant Ka and Kb values are found in Tables 14.2 and 14.3. a. NaNO3 c. C5H5NHClO4 e. . Depending on the composition of the salt (the ions which it is made up of) the solution will be either acidic or basic. I know the most acidic solution has the lowest pH and the most basic solution has the highest pH. Acidity of alcohols and basicity of amines. f. NH 4 OCl When B accepts a proton, the central atom goes from having 3 bonded hydrogens to 4 bonded hydrogens. Solve each of the following. Decide if each of the following is a major or minor species in the solution. Our videos will help you understand concepts, chemistry. CH3NH3CN Thanks!! The overall salt does not donate protons, the CH3NH3+ ion does (to form H3O+) when the salt is dissociated in water. Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? Favourite answer. C6H5NH3+, conjugate base is a weak base, therefore it is potentially acidic NO2-, conjugate acid is a weak acid, therefore the salt is also potentially basic However, since the Ka > Kb, the solution must be acidic So it has both nature acidic on basic in its constituent, it will act as a neutral soul. Required fields are marked *, This journal is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. No mistakes. 5538 0 obj <>stream "@$V\ & &`RDZ"ulC 6.XeDe$ no: (C2H5)2NH2Cl Therefore, the following species would be present: C H X 3 C H X 2 N H X 3 X +. Will an aqueous solution of CH3NH3CN be acidic, basic or Base Acid Conjugate Conjugate Acid of B Base of HX B is the proton acceptor (the base) and HX is the proton donor (the acid). A solution consisting of 0.1 M CH3NH3Cl and 0.1 M CH3NH2 would be a more effective buffer than one containing 1.5 M CH3NH3Cl and 1.5 M CH3NH2 CH3NH3CNThanks!! Calculate the pH after 0.10 mol of HCl has been added to the original solution. Therefore the salt is acidic because of CH3NH3+, a Bronsted acid. 24 Semanas De Embarazo En Meses, Calculate the pH after 0.20 mol of NaOH has been added to the original buffer solution. Services, What is Salt Hydrolysis? RbI. It is the conjugate acid of a weak base (NH4+ is the conjugate acid of NH3) and the conjugate base of a weak acid (NO2- is the conjugate base of HNO2). C2H5NH3Br. About this tutor About this tutor I was skimming through the questions and ran across this one - this is What is. 44 terms . (b) How much work is done by the force in 4s4 \mathrm{~s}4s ? Choose an expert and meet online. Ka for NH4+ is 1.00 x 10^-14 / 1.8 x 10^-5 = 5.6 x 10^-10. A link to the app was sent to your phone. The Kb values for ammonia and methylamine are 1.8 x 10-5 and 4.4 x 10-4 respectively. Will an aqueous solution of CH3NH3CN be acidic, basic or Determine if each salt will form a solution that is acidic, basic, or pH-neutral. Be sure to include the proper phases for all species within the reaction. How do I determine the molecular shape of a molecule? 3) Is the solution of NH4F acidic, basic or neutral? Our videos prepare you to succeed in your college classes. As, mentioned its a salt formed by reacting Ethyl amine with HCl. a) Sr (NO3)2 b) NH4C2H3O2 c) CH3NH3Cl d) C6H5NH3ClO2 e) NH4F f) CH3NH3CN. Lv 7. To know more acidity or basicity, visit the below link: brainly.com/question/172153 Still stuck? Consider the following questions about polyprotic acids and determine if each statement is true or false. Note that there is no $\ce{OH-}$ to start with (very little in reality), so equation $(1)$ is not applicable. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. For those that are not neutral, write a balanced chemical equation for the reactions causing the solution to be acidic or basic. Our videos will help you understand concepts, After watching this video, you will be able to explain the difference between acidic, basic, and neutral solutions and explain the concept of pH. markiannone. Polyprotic Acids Acids with more than one acidic the answer is neutral, basic, acidic, acidic and i am not sure why, Assuming equal concentrations , rank these solutions by pH. Buffers are important, especially in biological systems. Support your answer with calculations. Determine if the salt NH4NO2 is acidic, basic or neutral. CH3NH3Cl acidic basic neutral KC104 acidic basic neutral COF2 acidic basic neutral magentascorpion762 3. C H X 3 C H X 2 N H X 2. Is the solution acidic, basic or neutral? Jack Cunningham Basketball Wiki, But that's the simplest way. no: KCO2H Salts made from weak acids and weak bases will be acid, basic, or neutral depending upon which is stronger; i.e., acid if Ka>Kb, basic if Kb>Ka, neutral if Ka=Kb. How can a base be used. If [CH3NH3+] <[CH3NH2], then pH is larger than the pKa value. One of the simpler acid base theories states that acids donate H+ ions and bases donate OH- ions. by | Jun 6, 2022 | ephesus elementary school principal | kristen modafferi kristin smart | Jun 6, 2022 | ephesus elementary school principal | kristen modafferi kristin smart Depending on the composition of the salt (the ions which it is made up of) the solution will be either acidic or basic. Buffers are solutions that resist drastic pH change. Are Tarot Cards Dangerous To Use, Ka for NH4+ is 1.00 x 10^-14 / 1.8 x 10^-5 =5.6 x 10^-10, Kb for NO2- is 1.00 x 10^-14 /4.5 x 10^-4 = 2.2 x 10^-11. In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially . Learn more about Stack Overflow the company, and our products. The ions from KCl derive from a strong acid (HCl) and a strong base (KOH). Ironically, Wikipedia is wrong about Sn 2+: it's much more acidic in water than Ca 2+ or Zn 2+, and more acidic than Y 3+, because Sn 2+ forms very stable and non-soluble hydroxo compounds and hence readily . Reference the Ka and Kb Tables , and think about the acid/base properties of each species present. 2 years ago. Post author: Post published: June 8, 2022 Post category: female personal trainers near me Post comments: pete quaife height pete quaife height 21. It is probably a bit alkaline in solution. Cl- is a very weak conjugate base so its basicity is negligible. PROCEDURE Isolating a Neutral Compound from a Mixture Containing an Acid Impurity Add 0.150 g of an unknown mixture to a screw-cap centrifuge tube. . Chemistry. So the salt contains an ionic part which is base of a weak acid. 99. True: If [CH3NH3+] <[CH3NH2], then pH is larger than the pKa value. Second statement is correct. Sr(ClO4)2 ,NaCl,Sr(OC6H5)2 ,C5H5NHBr ,NH4Cl ,NaCN, neutral: Sr(ClO4)2 It only takes a minute to sign up. For a weak base & strong acid, it will be at pH less than 7. amount (n) of strong base = amount (n) of weak acid OR amount (n) of strong acid = amount (n) of weak base At this point, weak acid is 100% A- At this point, weak base is 100% HA Note that there is no O H X to start with (very little in reality), so equation ( 1) is not applicable. endstream endobj startxref CHNHCN: Solution basic Explanation: The general rules to determine if a solution is acidic, basic or neutral are: If it is a salt of a strong acid and base, the solution will be pH-neutral. If [CH3NH3+] < [CH3NH2], then pH is larger than the pKa value. ch3nh3cn acid or base or neutralbolsa thinks they should find. ch 17 chem. In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH ions.