A.2c1=c2 | B.2c2=c1 | C.c2>2c1 | D.c1<c2<2c1 |
1000ρ1w1 |
98 |
1000ρ2w2 |
98 |
c1 |
c2 |
ρ1•w1 |
ρ2•w2 |
ρ1 |
2ρ2 |
A.H2SO4的摩尔质量是98 |
B.CO的摩尔质量为28g/mol |
C.1molO的质量是16g/mol |
D.将98gH2SO4溶解于500mL水中,所得溶液中H2SO4的物质的量浓度为2mol/L |
A.1:1:1 | B.3:2:2 | C.3:2:3 | D.1:1:3 |
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