A.
| B.
| ||||
C.
| D.
|
VL |
22.4L/mol |
VL |
22.4L/mol |
MV |
22.4 |
MV |
22.4 |
| ||
ρ |
| ||||
|
1000ρV |
MV+22400 |
A.溶液中C(OH-)=
| ||
B.溶质的物质的量浓度C=
| ||
C.溶质的质量分数:ω=
| ||
D.上述溶液中再加入VmL水后,所得溶液的质量分数小于0.5ω |
A.50mL 0.2mol•L-1 的NaCl 溶液 |
B.100mL 0.1mol•L-1 的Na3PO4 溶液 |
C.25mL 0.2mol•L-1 的Na2SO4 溶液 |
D.10mL 0.5mol•L-1 的Na2CO3 溶液 |
A.4 L 0.5 mol•L-1NaCl 溶液 |
B.1 L 0.3 mol•L-1H2SO4 溶液 |
C.5 L 0.4 mol•L-1 HCl 溶液 |
D.2 L 0.15 mol•L-1 NaOH 溶液 |
A.0.5摩/升 | B.0.1摩/升 | C.0.05摩/升 | D.1摩/升 |
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