(14分,每空2分)
(1)①9×10 -3mol•L‾ 1•min‾ 1②8.1×10 3L•mol‾ 1
(2)①2CuFeS 2+ O 2
Cu 2S+ 2FeS+ SO 2
②Cu 2S(s) + O 2(g) =" 2Cu(s)" + SO 2(g) △H ="-217.4" kJ·mol -1
(3)①2H 2O+2e -=2OH -+H 211.2x L
②2S 2 -+O 2+2H 2O=2S↓+4OH - ;
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