Concept explainers
Identify the Brønsted-Lowry acid and base in each reaction:
a.
b.
c.
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Chapter 13 Solutions
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- Calculate the ionization constant for each of the following acids or bases from the ionization constant of its conjugate base or conjugate acid: (a) HTe- (as a base]. (b) (CH3)3 NH+. (c) HAsO43- (as a base). (d) H02 _ (as a base). (e) C6H5NH3+. (f) HSO3- (as a base)arrow_forwardAccording to the Brønsted-Lowry theory, which of the following would you expect to act as an acid? Which as a base? (a) CH3O- (b) CO32- (c) HAsO42-arrow_forwardConsider the following four biological solutions: (1) bile, pH 8.0, (2) blood, pH 7.4, (3) urine, pH 6.0, and (4) gastric juice, pH 1.6. a. Which solution has the lowest [H3O+]? b. Which solution has the lowest [OH]? c. List the solutions in order of decreasing acidity. d. List the solutions in order of increasing basicity.arrow_forward
- The butylammonium ion, C4H9NH3+, has a Ka of 2.3 1011. C4H9NH3+(aq) + H2O() H3O+(aq) + C4H9NH2(aq) a) Calculate Kb for the conjugate base, C4H9NH2 (butyl amine). b) Place the butylammonium ion and its conjugate base in Table 16.2. Name an acid weaker than C4H9NH3+ and a base stronger than C4H9NH3. c) What is the pH of a 0.015M solution of butylammonium chloride?arrow_forwardClassify each of the following statements as true or false: aAll Brnsted-Lowry acids are Arrhenius acids. bAll Arrhenius bases are Brnsted-Lowry bases, but not all Brnsted-Lowry bases are Arrhenius bases. c HCO3 is capable of being amphoteric. d HS is the conjugate base of S2. eIf the species on the right side of an ionization equilibrium are present in greater abundance than those on the left, the equilibrium is favored in the forward direction. f NH4+ cannot act as a Lewis base. gWeak bases have a weak attraction for protons. hThe stronger acid and the stronger base are always on the same side of a proton transfer reaction equation. iA proton transfer reaction is always favored in the direction that yields the stronger acid. jA solution with pH=9 is more acidic than one with pH=4. kA solution with pH=3 is twice as acidic as one with pH=6. lA pOH of 4.65 expresses the hydroxide ion concentration of a solution in three significant figures.arrow_forwardWrite equations that show NH3 as both a conjugate acid and a conjugate base.arrow_forward
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- Mark each of the following statements True or False: a. The conjugate base of a strong acid is always a weak base. b. The conjugate acid of a strong base is always a weak acid. c. The stronger the acid, the weaker its conjugate base, and vice versa.arrow_forwardWrite the balanced reaction of hypobromous acid, HOBr, with water to form hydronium ion and the conjugate base of HOBr. Identify each species as either an acid or a base.arrow_forward. Write a chemical equation showing how each of the following species can behave as indicated when dissolved in water. a. HSO3as an acid b. CO32as a base c. H2PO4as an acid d. C2H3O2as a basearrow_forward
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