有一空瓶的质量为W1g，向该瓶充入氧气后的质量为W2g，在相同条件

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问题选择题

有一空瓶的质量为W₁ g，向该瓶充入氧气后的质量为W₂g，在相同条件下充入某一单质气体，其质量为W₃g，则此单质气体的摩尔质量为（）

A．×32

B．×32

C．×32g•mol^-1

D．×32g•mol^-1

答案

答案：C

单项选择题

What does the speaker suggest

A．The house is not worth buying.

B．The cost of the house is low.

C．The price of the house is not too high.

D．The price of the house is worth it.

问答题简答题

国家赔偿责任的特征？