B答案100应该是100%,设NH3分解了X,一算就知道了.
D答案17a/b g每摩尔,NH3质量为a升/22.4摩尔每升*17克每摩尔,分解后摩尔量为b升/22.4升每摩尔.所以摩尔质量为a升/22.4每摩尔*17克每摩尔/(b升/22.4升每摩尔).
B答案100应该是100%,设NH3分解了X,一算就知道了.
D答案17a/b g每摩尔,NH3质量为a升/22.4摩尔每升*17克每摩尔,分解后摩尔量为b升/22.4升每摩尔.所以摩尔质量为a升/22.4每摩尔*17克每摩尔/(b升/22.4升每摩尔).