A.
| B.
| C.
| D.
|
0.5x-a |
0.5x |
S |
100 |
200a |
100-S |
A.0.01 mol/L | B.0.02 mol/L | C.0.03mol/L | D.0.06mol/L |
A.物质的量 | B.摩尔质量 |
C.质量分数 | D.物质的量的浓度 |
A.75mL 2mol•L-1的NH4Cl |
B.150mL 1mol•L-1的NaCl |
C.150mL 3mol•L-1的KCl |
D.75mL 1.5mol•L-1的CaCl2 |
A.1mL 0.5mol•L-1的NaNO3溶液 |
B.100mL 0.01 mol•L-1的NaCl溶液 |
C.10mL 0.1mol•L-1的NaOH溶液 |
D.100mL 0.1mol•L-1的Na2SO4溶液 |
A.0.15 mol•L-1 | B.0.45 mol•L-1 |
C.0.3 mol•L-1 | D.0.6 mol•L-1 |
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