3416 |
4g |
40g/mol |
0.1mol |
0.1L |
3416 |
11.2L |
22.4L/mol |
A.150mL1mol/L的NaCl | B.75mL3mol/L的NH4Cl |
C.150mL2mol/L的KCl | D.75mL2mol/L的CaCl2 |
A.0.05mol/L | B.0.1mol/L | C.0.01mol/L | D.1mol/L |
2-4 |
A.1:2:3 | B.1:3:6 | C.2:3:6 | D.6:2:1 |
A.溶液中含有1molK2SO4 |
B.1molK2SO4溶于1L水中 |
C.溶液中c(K+)=2mol/L |
D.1L溶液中含1molK+,1molSO42- |
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