A.35倍 | B.14倍 | C.7倍 | D.17.5倍 |
4.00g |
40g/mol |
1.40g |
28g/mol |
1.60g |
32g/mol |
4.00g+1.40g+1.60g |
0.1mol+0.05mol+0.05mol |
35g/mol |
2g/mol |
A.11.2 L氧气中含有阿伏加德罗常数个氧原子 |
B.氧气质量是氢气质量的16倍 |
C.氧气和氢气的密度比为16:1 |
D.8 gO2中含有3.01×1023个O原子 |
A.5.6 L | B.11.2 L | C.22.4 L | D.2.8L |
A.28 | B.60 | C.32 | D.4 |
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