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How many milliliters of 1.5M NaOH can you add to a solution containing 0.00625 moles of...

How many milliliters of 1.5M NaOH can you add to a solution containing 0.00625 moles of acetic acid (CH3COO-) and 0.005 moles of sodium acetate (CH3COOH) and still have a good buffer? [pKa =4.76]

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