方法/步骤
1/3分步阅读
实例:
① 3Fe(OH)2+10HNO3 == 3Fe(NO3)3+NO↑+8H2O
③ 2Na2O2+2H2O == 4NaOH+O2↑
④ 2Al+2NaOH+2H2O == 2NaAlO2+3H2↑
2/3
怎样巧记初中化学方程式急求答案,帮忙回答下
方法/步骤
1/3分步阅读
实例:
① 3Fe(OH)2+10HNO3 == 3Fe(NO3)3+NO↑+8H2O
③ 2Na2O2+2H2O == 4NaOH+O2↑
④ 2Al+2NaOH+2H2O == 2NaAlO2+3H2↑
2/3