加热\(m{N_{2}O_{5}}\)时，发生以下两个分解反应：\(m{N_{2}O_{5} \overset{}{⇌} N_{2}O_{3}+O_{2}}\)，\(m{N_{2}O_{3} \overset{}{⇌} N_{2}O+O_{2}}\)，在\(m{1L}\)密闭容器中加热 \(m{4 mol N_{2}O_{5}}\)达到化学平衡时\(m{c(O_{2})}\)为\(m{4.50 mol/L}\)，\(m{c(N_{2}O_{3})}\)为\(m{1.62 mol/L}\)，则在该温度下各物质的平衡浓度正确的是--优优班--学霸训练营

加热\(\rm{N_{2}O_{5}}\)时，发生以下两个分解反应：\(\rm{N_{2}O_{5} \overset{}{⇌} N_{2}O_{3}+O_{2}}\)，\(\rm{N_{2}O_{3} \overset{}{⇌} N_{2}O+O_{2}}\)，在\(\rm{1L}\)密闭容器中加热 \(\rm{4 mol N_{2}O_{5}}\)达到化学平衡时\(\rm{c(O_{2})}\)为\(\rm{4.50 mol/L}\)，\(\rm{c(N_{2}O_{3})}\)为\(\rm{1.62 mol/L}\)，则在该温度下各物质的平衡浓度正确的是

A．\(\rm{c(N_{2}O_{5})=1.44 mol/L}\)

B．\(\rm{c(N_{2}O_{5})=0.94 mol/L}\)

C．\(\rm{c(N_{2}O)=1.40 mol/L}\)

D．\(\rm{c(N_{2}O)=3.48 mol/L}\)

【考点】化学平衡的计算

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难度：中等

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