A.29:8:13 | B.22:1:14 | C.13:8:13 | D.26:12 |
A.NO | B.NO2 | C.N2O4 | D.N2O5 |
A.6.31% | B.12.62% | C.25.23% | D.50.46% |
A.1LCl2一定比1LH2的质量大 |
B.5.85g NaCl溶于100mL水,得到1mol•L-1NaCl溶液 |
C.同温同压下,相同体积的Cl2和H2,它们的物质的量相等 |
D.71g Cl2与58.5g NaCl都含有1mol氯 |
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