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April 26, 2015

Homework Help: chemistry

Posted by dave on Sunday, November 14, 2010 at 12:36am.

Calculate the mass of salts needed for constructing a buffer using potassium monobasic phosphate and potassium dibasic phosphate with the total concentration of 100 mM. The solution is to be prepared in DI water and the pKa value for potassium monobasic phosphate is 7.21 and for potassium dibasic phosphate is 12.67. The target pH for the resulting solution is 7.

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