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1. Complete and balance the following acid/base reactions. Label the acid, base, conjugate acid, and conjugate base for each reaction.
a. C6H5NH2(aq) + HCl(aq)
b. C3H7COOH(aq) + H2O(l)
c. (CH3)3N(aq) + H2O(l)
d. HNO2(aq) + NaOH(aq)
2. Find the pH, pOH, [H3O+], and [OH] for the following solutions at 25 oC.
a. 0.015 M perchloric acid.
b. 3.1×104 M calcium hydroxide
c. acetic acid solution with pH = 4.51
d. ammonia solution with pH = 11.68
e. 0.00028 M sodium hydroxide
3. Indicate the stronger acid in each pair. Explain your reasoning in 5 words or less.
a. HNO3 vs. H2SO4
b. CCl3COOH vs. CH3COOH
c. H2Se vs. H2Te
d. H2SeO4 vs. HSeO4
4. Find the pH of a 0.072 M solution of hypoiodous acid, HOI. Show the appropriate chemical reaction required to solve the problem.