單項(xiàng)選擇題反應(yīng):A(g)+B(s)C(g),在400K時,平衡常數(shù)Kp=0.5,當(dāng)平衡時,體系總壓力為100kPa時,A的轉(zhuǎn)化率是()

A.50%
B.33%
C.66%
D.15%


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