Question: You prepare a buffer solution by dissolving 2.00 g each of benzoic acid, C6H5COOH (MM = 122 g/mol, Ka = 6.3 x 10-5 ) and

You prepare a buffer solution by dissolving 2.00 g each of benzoic acid, C6H5COOH (MM = 122 g/mol, Ka = 6.3 x 10-5 ) and sodium benzoate, NaC6H5COO (MM = 144 g/mol) in 750.0 mL of water. What is the pH of this buffer? Assume that the solution's volume is 750.0 mL.

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