A.KCl | B.Mg(OH)2 | C.Na2CO3 | D.MgSO4 |
A.0.01% | B.0.1% | C.0.2% | D.1% |
A.c (CH3COO-)>c (Na+) |
B.c (CH3COOH)+c (CH3COO-)="0.02mol/L" |
C.c (CH3COOH)>c (CH3COO-) |
D.c (OH-)>c (H+) |
A.④①②⑤⑥③ | B.④①②⑥⑤③ | C.①④②③⑥⑤ | D.①④②⑥③⑤ |
A. | B. | C. | D.无法判断 |
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