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Tris has a pKa of 8.2. How many milliliters of 0.2 M Tris HCl (acid form) and 0.2 M Tris base are required to prepare

Tris has a pKa of 8.2. How many milliliters of 0.2 M Tris HCl (acid form) and 0.2 M Tris base are required to prepare 1 liter of 0.1 M buffer solution having a pH of 8.2?

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