题目

The days are gone physically strength was all you needed to make a living. A . when B . that C . where D . which 答案：A10．把1molA和3molB投入2L密闭容器中发生反应A（g）+3B（g）?2C（g）+D（s），2min后，测得C的浓度为0.2mol/L，则下列说法正确的是（　　）A．v（D）=0.05mol/（L•min）B．3v（B）=2v（C）C．v（B）=0.15mol/（L•min）D．A的转化率为40%