符号Kb(HS-)是下列哪个反应的质子转移平衡常数?
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符号Kb(HS-)是下列哪个反应的质子转移平衡常数?
A.HS- + OH- = S2- + H2O
B.HS- +H2O = S2- +H3O+
C.HS- + H2O = H2S + OH-
D.HS- + H3O+ = H2S + H2O

回答
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HS- +H2O = S2- +H3O+
