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A buffer is to be prepared by adding solid sodium acetate to 0.10 M CH3COOH. Which of the following concentrations of sodium acetate will produce the most effective buffer? Answer 3.0 M CH3COONa 2.5 M CH3COONa 2.0 M CH3COONa 1.5 M CH3COONa 0.30 M CH3COONa

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