Hydrocyanic acid, HCN, is a weaker acid than ammonium ion, NH4+. When hydrocyanic acid reacts with ammonia, NH3, what species are present in the solution in the largest amount?
A) hydrocyanic acid, HCN, and ammonia, NH3
B) hydrocyanic acid, HCN, and ammonium ion, NH4+
C) cyanide ion, CN-, and ammonia, NH3
D) cyanide ion, CN-, and ammonium ion, NH4+
Correct Answer:
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