一、 =dfrac (N)({N)_(A)}=dfrac (m)(M)=dfrac (V)({V)_(m)} 关系的应用-|||-1.(1)标准状况下,4.8 g甲烷(CH4)所占的体-|||-积为 __ L,它与标准状况下 __-|||-L硫化氢(H2S )含有相同数目的氢原子。-|||-(2)标准状况下,16g O2与14gN2的混合气-|||-体所占的体积是 __ 。-|||-(3) .03times (10)^23 个NH3含有 __ mol氢-|||-原子, __ mol质子,在标准状况下的体-|||-积约为 __ L。-|||-(4)标准状况下,若6.72 LO3含有m个氧原-|||-子,则阿伏加德罗常数的值可表示为 __-|||-__ (用含m的式子表示)。
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