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A solution was prepared by weighing out 6.20 grams of sodium benzoate, NaC7H5O2 along with 2.25...

A solution was prepared by weighing out 6.20 grams of sodium benzoate, NaC7H5O2 along with 2.25 grams of benzoic acid, HC7H5O2, and was dissolved in 750.0 mL of water. What is the pH of this solution given that the Ka for benzoic acid is 6.61 X 10-5 .

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