A.0.1mol•L-1 | B.10mol•L-1 |
C.0.01mol•L-1 | D.1mol•L-1 |
4g |
40g/mol |
0.1mol |
0.1L |
A.将40g NaOH溶于1L水所得的溶液 |
B..将0.5mol/L的NaNO3溶液100ml 加热蒸发掉50g水后的溶液 |
C.将23gNa溶于1L水所得的溶液 |
D.含K+为2 mol.L-1的K2SO4溶液 |
A.0.1mol•L-1NH4NO3溶液100mL |
B.0.2mol•L-1氨水溶液100mL |
C.0.2mol•L-1NH4Cl溶液200mL |
D.0.2mol•L-1(NH4)2SO4溶液50mL |
A.0.2 mol•L-1K2S | B.0.1 mol•L-1Ba(OH)2 |
C.0.2 mol•L-1NaCl | D.0.2 mol•L-1(NH4)2SO4 |
A.
| B.
| ||||
C.=
| D.
| ||||
E.. |
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