Equilibrium Question 823

Question: What is the percentage hydrolysis of NaCN in N/80 solution when the dissociation constant for HCN is 1.3×109 and Kw=1.0×1014

Options:

A) 2.48

B) 5.26

C) 8.2

D) 9.6

Show Answer

Answer:

Correct Answer: A

Solution:

α=KwKa×c10141.3×109×180=2.48 %



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