A.80gSO3 | B.3gH2 | C.16gO2 | D.34gH2S |
m |
M |
80g |
80g/mol |
3g |
2g/mol |
16g |
32g/mol |
34g |
34g/mol |
A.H2和O2的质量之比为16:1 |
B.H2和O2的物质的量之比为1:1 |
C.H2和O2的体积之比为1:1 |
D.H2和O2的密度之比为1:16 |
A.25% | B.44% | C.75% | D.50% |
A.性质不同 | B.分子大小不同 |
C.分子间距不同 | D.分子多少不同 |
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