Determine the Kb for CN1- at 25°C. The Ka for HCN is 4.9 x 10-10.
A) 4.9 x 10-14
B) 2.3 x 10-9
C) 1.4 x 10-5
D) 2.0 x 10-5
E) 3.7 x 10-7
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