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Consider the following reaction for the dissociation of benzoic acid (MW=122 g x mol^-1) in water where Ka for benzoic acid is 6.5 x 10^-5. C6H5COOH(aq) + H2O (l) <-> C6H5COO-(aq) + H30+(aq) 1. How many grams of benzoic acid must be dissolved in a total volume of 1.0 L to give a pH of 4.5 at 298K?

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