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A solution of which of the following would be a good buffer system? 1/NaOH and KOH 2/CH 3 COOH and NaCH 3 COO 3/HCl and

A solution of which of the following would be a good buffer system?

1/NaOH and KOH

2/CH₃COOH and NaCH₃COO

3/HCl and NaOH

4/HCl and H₂O

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