Equal volumes of the following pairs of solutions are mixed. Which pair will produce a buffer solution?
A) 0.10 mol L-1 HCl and 0.05 mol L-1 NaOH
B) 0.10 mol L-1 HCl and 0.15 mol L-1 NH3
C) 0.10 mol L-1 HCl and 0.05 mol L-1 NH3
D) 0.10 mol L-1 HCl and 0.20 mol L-1 CH3COOH
E) 0.10 mol L-1 HCl and 0.20 mol L-1 NaCl
Correct Answer:
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