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Acids and BasesMCQ

Which pair of solutions forms a buffer solution when equal volumes of each are mixed? — Acids and Bases Chemistry Question

Question

Which pair of solutions forms a buffer solution when equal volumes of each are mixed?

A.

0.20 M HCl and 0.20 M NaOH

B.

0.40 M HC2H3O2 and 0.20 M NaOH

✓ Correct
C.

0.20 M HCl and 0.20 M NH3

D.

0.40 M HCl and 0.20 M NH3

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