反应SO2(g) + NO2(g) NO(g) + SO3(g)在一定条件下建立平衡,再加入一定量的

反应SO2(g) + NO2(g) NO(g) + SO3(g)在一定条件下建立平衡,再加入一定量的O2,下列说法正确的是 (     )            

    A.平衡左移,容器内压强不一定增大

    B.平衡右移,达到平衡时容器内压强一定增大

    C. 平衡右移,SO2的转化率提高

    D.平衡不一定移动,容器内压强一定增大

答案

C

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