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Question- Given that Ka for HIO is 3.2 x 10-11 at 25 degrees Celsius, what is the value of Kb for IO- at 25 Celsius?

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

I am need of complete solution for this problem please help- me out to get right solution

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