Asked by Lucinda

What is the pH of a 2.62 x 10 -1 M HCN solution ? NB the pKa for HCN = 9.212.

4.90
9.21
0.58
11.32
13.42

Answered by Kim
-log(2.62x10^-1) = 0.58
Answered by DDD
4.90
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