常温下,实验室有0.01mol•L-1醋酸,下列叙述正确的是
A.c (CH3COO-) + c (OH-)=" 0.01" mol•L-1 |
B.与等体积pH = 12的氨水混合后所得溶液显碱性 |
C.加入少量醋酸钠固体后所得溶液中c (CH3COO-)减小 |
D.与等体积0.01 mol•L-1NaNO3溶液混合后有:c (NO3-) =" c" (CH3COO-)+c (CH3COOH) |
常温下,实验室有0.01mol•L-1醋酸,下列叙述正确的是
A.c (CH3COO-) + c (OH-)=" 0.01" mol•L-1 |
B.与等体积pH = 12的氨水混合后所得溶液显碱性 |
C.加入少量醋酸钠固体后所得溶液中c (CH3COO-)减小 |
D.与等体积0.01 mol•L-1NaNO3溶液混合后有:c (NO3-) =" c" (CH3COO-)+c (CH3COOH) |
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