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Calculate the acidity constant of benzoic acid

Part 1: Calculate the acidity constant of benzoic acid inwaterat298Kif?G?f forC6H5CO-2(aq)is -269.2kJ/moland?G?f forC6H5COOH(aq) is -293.1 kJ/mol.

Part 2: What mass of sodium benzoate must be added to 4 L of 1.2 M C6H5COOH(aq) to make a buffer with pH = 4?

Answer in units of g.

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Chemistry: Calculate the acidity constant of benzoic acid

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