Problem: Given that Ka for HCN is 6.2 x 10-10 at 25°C, what is the value of Kb for CN- at 25°C? Given that Kb for C6H5NH2 is 1.7 x 10-9 at 25°C, what is the value of Ka for C6H5NH3+ at 25°C?

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Given that Ka for HCN is 6.2 x 10-10 at 25°C, what is the value of Kb for CN- at 25°C? 

Given that Kb for C6H5NH2 is 1.7 x 10-9 at 25°C, what is the value of Ka for C6H5NH3+ at 25°C?

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