A.0.05mol/L | B.0.1mol/L | C.0.01mol/L | D.1mol/L |
2g |
40g/mol |
0.1mol |
1L |
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- |
A.1:2:3 | B.3:4:3 | C.3:2:1 | D.1:1:1 |
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