有关H2SO4aqM2SO的精选大全

常温下,0.01mol·L-1MOH溶液的pH为10。已知:2MOH(aq)+H2SO4(aq)===M2SO...
问题详情:常温下,0.01mol·L-1MOH溶液的pH为10。已知:2MOH(aq)+H2SO4(aq)===M2SO4(aq)+2H2O(l)ΔH1=-24.2kJ·mol-1;H+(aq)+OH-(aq)===H2O(l)ΔH2=-57.3kJ·mol-1。则MOH在水溶液中电离的ΔH为()A.+33.1kJ·mol-1      B.+45.2kJ·mo...
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