A.75% | B.66.7% | C.92.3% | D.无法计算 |
A.2mol、3mol、8mol | B.3mol、2mol、8mol |
C.2mol、3mol、4mol | D.3mol、2mol、4mol |
A.2L SO2和2L CO2 |
B.标准状况下1mol氧气和22.4L水 |
C.9g水和标准状况下11.2L CO2 |
D.0.2molH2S和2.24LHCl |
A.质量为14g | B.分子数为6.02×1023 |
C.体积为22.4L | D.物质的量为2mol |
A.6:9:8 | B.12:8:9 | C.2:3:6 | D.1:3:4 |
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