What is the concentration of Ba CN 2 in the aqueous solution of the mixture of Ba CN 2 and 0 1 M HCN having pH 5 Given pkb for

Question

What is the concentration of Ba CN 2 in the aqueous solution of the mixture of Ba CN 2 and 0 1 M HCN having pH 5 Given pkb for CN at 25 C is 8 2 3 4 10 2 M 102 M 2x 10 2 M 5 x 10 3 M

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