下列离子方程式正确的是( A.钠和水反应:Na+2H2O=Na(+)+2OH(-)+H2↑B.CO2通入足量澄清石灰水中:Ca2++2OH-+CO2=CaCO3↓+H2OC.Cu和浓硝酸反应:Cu+4H+=2Cu2++2H2↑D.氧化铜溶于足量盐酸中:O2-+2H+=H2O已经知道答
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 21:25:30
![下列离子方程式正确的是( A.钠和水反应:Na+2H2O=Na(+)+2OH(-)+H2↑B.CO2通入足量澄清石灰水中:Ca2++2OH-+CO2=CaCO3↓+H2OC.Cu和浓硝酸反应:Cu+4H+=2Cu2++2H2↑D.氧化铜溶于足量盐酸中:O2-+2H+=H2O已经知道答](/uploads/image/z/11163096-0-6.jpg?t=%E4%B8%8B%E5%88%97%E7%A6%BB%E5%AD%90%E6%96%B9%E7%A8%8B%E5%BC%8F%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF%EF%BC%88+A.%E9%92%A0%E5%92%8C%E6%B0%B4%E5%8F%8D%E5%BA%94%EF%BC%9ANa%2B2H2O%3DNa%28%EF%BC%8B%29%2B2OH%28-%29%2BH2%E2%86%91B.CO2%E9%80%9A%E5%85%A5%E8%B6%B3%E9%87%8F%E6%BE%84%E6%B8%85%E7%9F%B3%E7%81%B0%E6%B0%B4%E4%B8%AD%3ACa2%2B%2B2OH-%2BCO2%3DCaCO3%E2%86%93%2BH2OC.Cu%E5%92%8C%E6%B5%93%E7%A1%9D%E9%85%B8%E5%8F%8D%E5%BA%94%3ACu%2B4H%2B%3D2Cu2%2B%2B2H2%E2%86%91D.%E6%B0%A7%E5%8C%96%E9%93%9C%E6%BA%B6%E4%BA%8E%E8%B6%B3%E9%87%8F%E7%9B%90%E9%85%B8%E4%B8%AD%3AO2-%2B2H%2B%3DH2O%E5%B7%B2%E7%BB%8F%E7%9F%A5%E9%81%93%E7%AD%94)
xRMnPUdjg
W T{[j)XiCHJ+b%}?WدME.h~fJ-b}fg+2%hСS6rR'kSoN6 $uV(IVm%tHbOh1?8l0cC?Qu$UWF*Քdžq;jU|QHgW9
8a`)r*`*b+
ƱcW~.4Ys@C6Yd $