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The Ka for HCN Is 4

Question 80

Multiple Choice

The Ka for HCN is 4.9 × 10-10.What is the value of Kb for CN-?


A) 2.0 × 10-5
B) 4.0 × 10-6
C) 4.9 × 104
D) 4.9 × 10-24
E) 2.0 × 109

Correct Answer:

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