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Question Given that at 25.0 ∘C Ka for HCN is 4.9×10−10 and Kb for NH3 is 1.8×10−5, calculate Kb for CN− and Ka for NH4+. Enter the Kb value for CN− followed by the Ka value for NH4+, separated by a comma, using two significant figures.

Question

Given that at 25.0 ∘CKa

for HCN is 4.9×10−10 andKb for NH3 is 1.8×10−5,

calculate

Enter the Kb value for CN− followed by the Ka value for NH4+, separated by a comma, using two significant figures.