A.8 g | B.16 g | C.4 g | D.32 g |
A.1 L | B.21 mL | C.0.021 mL | D.3.65 L |
A.300 mol | B.3 mol | C.0.3 mol | D.1 mol |
A.质子数 | B.质量 | C.原子数 | D.摩尔质量 |
A.250 mL容量瓶 | B.托盘天平 |
C.500 mL烧杯 | D.酒精灯 |
A.标准状况下8.4 L CH4 | B.49 g H3PO4 |
C.0.3 mol HCl | D.18 g H2O |
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