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which of the following would be the best buffer? PLEASE explain how you determine which buffer...

which of the following would be the best buffer? PLEASE explain how you determine which buffer is the best.

a. .05M acetic acid and .050M sodium acetate

b. .03M acetic acid and .07M sodium acetate

c .07M acetic acid and .03M sodium acetate

d. .50M acetic acid and .50M sodium acetate

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