試題詳解

24. Which of the following will not produce a buffered solution?
(A)100 mL of 0.1 M Na2CO3 and 50 mL of 0.1 M HCl
(B)100 mL of 0.1 M NaHCO3 and 25 mL of 0.2 M HCl
(C)100 mL of 0.1 M Na2CO3 and 75 mL of 0.2 M HCl
(D)100 mL of 0.1 M Na2CO3 and 50 mL of 0.1 M NaOH