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Calculation of buffer solutions

Please show me how to solve this problem, step by step.

0.50 molar solutions of the following weak acids HOCL and NaOCL are available. What volume in mL of a 1.00 molar NaOH solution should be added to 1.00 L of the above acid solution to create a buffer with a pH of 7.16?

Ka = 3.5 x 10-8, Pka = 7.46

Solution Preview

For buffer questions, you have to know about frozen equilibria.

When a buffer is made, the equilibrium is frozen, at least the concentrations of the weak acid and conjugate base will not change.

So we use

Ka = [H+] x moles of b/moles of a

Where Ka is 3.5 x 10-8

moles of b/moles of a ...

Solution Summary

This provides a step by step explanation for how to solve a buffer solution problem.

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