A.长度 | B.质量 | C.摩尔 | D.时间 |
A.1000mL,212g | B.1000mL,201.4g |
C.任意规格,572g | D.500mL,286g |
A.50mL | B.50.5mL | C.55mL | D.59.5mL |
A.35倍 | B.17.5倍 | C.7倍 | D.14倍 |
A.m/9 | B.9m | C.2m | D.m |
A.1 mol NH4+所含质子数为10NA |
B.10克氖气所含原子数约为6.02×1023 |
C.标准状况下,22.4 L H2O所含的分子数为NA |
D.常温常压下,32 g O2和O3的混合气体所含原子数为2NA |
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