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【单选题】
在 1100 °C 时 , 发生下列反应: (1) C(s) + 2S(s) = CS 2 (g) K 1 = 0.258 (2) Cu 2 S(s) + H 2 (g) = 2Cu(s) + H 2 S(g) K 2 = 3.9×10 -3 (3) 2H 2 S(g) = 2H 2 (g) + 2S(s) K 3 = 2.29×10 -2 则 1100 °C 时反应 C(s) + 2Cu 2 S(s) = 4Cu(s) + CS 2 (g) 的 K 为:A.
8.99×10 -8
B.
8.99×10 -5
C.
3.69×10 -5
D.
3.69×10 -8
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