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配平下列方程式: (1)_______Fe3++_______Cu = _______Fe2++_______Cu2+ (2)_______Cu+_______H2SO4(浓)=_______CuSO...
题目内容:
配平下列方程式:
(1)_______Fe3++_______Cu = _______Fe2++_______Cu2+
(2)_______Cu+_______H2SO4(浓)=_______CuSO4+_______SO2+_______H2O
(3) ______Fe2++ ______Cr2O72- + ______H+ = ______Cr3++______Fe3++______(_________)
(4)_______Cl2+_______KOH = _______KCl+_______KClO3+_______H2O
(5)_______NH4NO3 = _______HNO3+_______N2+_______H2O
本题链接: