A 40ml solution of a weak base,BOH is treated with 0.1N HCl.The pH of the solution is found to be 10.04&9.14 after adding 5ml & 20ml of acid respectively.Calculate pKb of the base

Asked by nilay pandey | 12th Oct, 2013, 10:40: PM

Expert Answer:

Let Nbase be the normality of the base BOH. Substituting the given tata in the expression, we get,
Equating the values of pKb from these two expressions, we get,

Answered by Hanisha Vyas | 14th Oct, 2013, 03:22: PM

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