题目:
在2L的密闭容器中装有0.4molX和0.2molY,在一定条件下发生反应:2X(g)+Y(g)=2Z(g),2s末测得容器中有0.36molZ.下列有关说法中错误的是( )
A.2min末X的浓度0.02mol/L
B.2s内生成Z的速率为0.09mol/(L.s)
C.反应一定达到限度
D.2s末Y的转化率为90%
答案:
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