同样的两种物质发生化学反应,其中某种物质的“过量”和“不足”会对生成物有影响,如何从化学方程是看出种物质的“过量”和“不足”?如:NaHCO3+Ca(OH)2=CaCO3+Na2CO3+2H2O这是碳酸氢钠过量碳
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/15 15:50:27
![同样的两种物质发生化学反应,其中某种物质的“过量”和“不足”会对生成物有影响,如何从化学方程是看出种物质的“过量”和“不足”?如:NaHCO3+Ca(OH)2=CaCO3+Na2CO3+2H2O这是碳酸氢钠过量碳](/uploads/image/z/6461293-13-3.jpg?t=%E5%90%8C%E6%A0%B7%E7%9A%84%E4%B8%A4%E7%A7%8D%E7%89%A9%E8%B4%A8%E5%8F%91%E7%94%9F%E5%8C%96%E5%AD%A6%E5%8F%8D%E5%BA%94%2C%E5%85%B6%E4%B8%AD%E6%9F%90%E7%A7%8D%E7%89%A9%E8%B4%A8%E7%9A%84%E2%80%9C%E8%BF%87%E9%87%8F%E2%80%9D%E5%92%8C%E2%80%9C%E4%B8%8D%E8%B6%B3%E2%80%9D%E4%BC%9A%E5%AF%B9%E7%94%9F%E6%88%90%E7%89%A9%E6%9C%89%E5%BD%B1%E5%93%8D%2C%E5%A6%82%E4%BD%95%E4%BB%8E%E5%8C%96%E5%AD%A6%E6%96%B9%E7%A8%8B%E6%98%AF%E7%9C%8B%E5%87%BA%E7%A7%8D%E7%89%A9%E8%B4%A8%E7%9A%84%E2%80%9C%E8%BF%87%E9%87%8F%E2%80%9D%E5%92%8C%E2%80%9C%E4%B8%8D%E8%B6%B3%E2%80%9D%3F%E5%A6%82%EF%BC%9ANaHCO3%2BCa%28OH%292%3DCaCO3%2BNa2CO3%2B2H2O%E8%BF%99%E6%98%AF%E7%A2%B3%E9%85%B8%E6%B0%A2%E9%92%A0%E8%BF%87%E9%87%8F%E7%A2%B3)
xV]OG+<UN
)
}RY``lc;Y濤sgw=,"V){s;IڕY~ôJְM鬙RΛNPxĴs^xFZnR>F|Icp5{~ijni) f;]0N#ͤrcmuwknA\[%\a^Mb%;9=yG>ą[^ﵐWz-J3,fC{P)2Mg*(:;8lfR
-o>}2q/φ&iA,.#H3I =y?^w(5)