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Which Equation Is NOT Required to Determine the Molar Solubility

Question 19

Multiple Choice

Which equation is NOT required to determine the molar solubility of AgCN?


A) AgCN ⇋ Ag+ + CN−____________________Ksp = 2.2 × 10−16
B) H2O + H2O ⇋ H3O+ + OH− Kw = 1 × 10−14
C) [Ag+] = [CN−] + [HCN]
D) CN− + H2O ⇋ HCN + OH− Kb = 1.6 × 10−5
E) HCN + H2O ⇋ CN− + H3O+ Ka = 6.2 × 10−10

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