A chemistry graduate student is given 450 mL of a 0 90M acetic acid HCH3CO solution Acetic acid is a weak acid with K 1 8 10

Question

A chemistry graduate student is given 450 mL of a 0 90M acetic acid HCH3CO solution Acetic acid is a weak acid with K 1 8 10 What mass of KCH3CO should the student dissolve in the HCH3CO solution to turn it into a buffer with pH 5 21 C You may assume that the volume of the solution doesn t change when the KCH3CO is dissolved in it Be sure your answer has a unit symbol and round it to 2 significant digits 7 HADSON 10

Kunduz · Accepted Answer

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