Calculate the pka value of the acid and the number

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Question - Strong base is dissolved in 625 mL of 0.200 M weak acid (Ka = 3.18 x 10-5 M) to make a buffer with a pH of 4.13. Assume that the volume remains constant when the base is added. Calculate the pKa value of the acid and the number of moles of acid initially present.

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Reference no: EM13716931

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