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1 pts You are making a potassium lactate buller. The pKa of lactate is 3.86. You want to make 1 L of a 1 M solution of potassium lactate (pH 4.2). You dissolve 1 mole of lactic acid in 750-800 ml, water. How much 10 M KOH would you add to this before you brought the volume to 1 L with water? 0.34 mL 34 mL ● 68.6 mL O 136 mL

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