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You want to make a pH = 7.4 phosphate buffer solution using potassium hydroxide (KOH) and phosphoric acid. Starting with 1.0 L of 150 mM phosphoric acid, (A) how much solid KOH should you add to make the desired pH = 7.4 phosphate buffer solution? (B) Compute the concentrations of all buffer species.

You want to make a pH = 7.4 phosphate buffer solution using potassium hydroxide (KOH) and phosphoric acid.

Starting with 1.0 L of 150 mM phosphoric acid, (A) how much solid KOH should you add to make the desired pH = 7.4 phosphate buffer solution? (B) Compute the concentrations of all buffer species.

 
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