摘要:CaO+NH3·H2O=NH3+Ca(OH)2 2NH3+3CuO3Cu+N2↑+3H2O CuSO4+5H2O=CuSO4·5H2O 3Mg+N2Mg3N2 Mg3N2+6H2O=3Mg(OH)2↓+2NH3↑ 练习题目

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