A.1:1 | B.3:2 | C.2:3 | D.1:2 |
1 |
2 |
1 |
3 |
A.150 mL 1 mol/L的NaCl溶液 |
B.75 mL 2 mol/L的NH4Cl溶液 |
C.150 mL 2 mol/L的KCl溶液 |
D.75 mL 1 mol/L的FeCl3溶液 |
A.1mol•L-1的NaCl溶液 | B.1mol•L-1的AlCl3溶液 |
C.1mol•L-1的HCl溶液 | D.1mol•L-1的MgCl2溶液 |
A.W/27V | B.W/54V | C.W/18V | D.W/9V |
A.
| B.
| C.
| D.
|
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