摘要：1．5y 1.5y NH+OH- === NH3+H2O 1 1 50c×10-3-1.5y 50c×10-3-1.5y n(NH3)＝50c×10-3-1.5y＝50×4.64×10-3-1.5×0.064＝0.136 mol m(NH3)＝0.136×17＝2.31 g 答案 (1)FeS2 (2)2SO2+O2催化剂△2SO3 (3)abd (4)SO3(g)+H2O(l)===H2SO4(l) ΔH＝-130.3 kJ/mol (5)①SO2+Br2+2H2O===4H++2Br-+SO ②14.56 2.31 g

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