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1. How many grams of sodium acetate salt (Mw = 82 g/mol) must be added to 200 mL HCl at a concentration of 0.005 M

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1. How many grams of sodium acetate salt (Mw = 82 g/mol) must be added to 200 mL HCl at a concentration of 0.005 M to obtain a buffer with pH = 5? Ka = 1.8 x 10

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