常温下,已知两种一元弱酸HX和HY,如果向NaX溶液中通入CO2气体,只能生成HX和NaHCO3;往NaY溶液中通入CO2气体,生成HY和Na2CO3.下列说法正确的是A.酸性由强到弱:HX>HY>H2CO3B.结合H+的能力:Y- > CO32- > X-
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 20:09:14
![常温下,已知两种一元弱酸HX和HY,如果向NaX溶液中通入CO2气体,只能生成HX和NaHCO3;往NaY溶液中通入CO2气体,生成HY和Na2CO3.下列说法正确的是A.酸性由强到弱:HX>HY>H2CO3B.结合H+的能力:Y- > CO32- > X-](/uploads/image/z/6517081-1-1.jpg?t=%E5%B8%B8%E6%B8%A9%E4%B8%8B%2C%E5%B7%B2%E7%9F%A5%E4%B8%A4%E7%A7%8D%E4%B8%80%E5%85%83%E5%BC%B1%E9%85%B8HX%E5%92%8CHY%2C%E5%A6%82%E6%9E%9C%E5%90%91NaX%E6%BA%B6%E6%B6%B2%E4%B8%AD%E9%80%9A%E5%85%A5CO2%E6%B0%94%E4%BD%93%2C%E5%8F%AA%E8%83%BD%E7%94%9F%E6%88%90HX%E5%92%8CNaHCO3%EF%BC%9B%E5%BE%80NaY%E6%BA%B6%E6%B6%B2%E4%B8%AD%E9%80%9A%E5%85%A5CO2%E6%B0%94%E4%BD%93%2C%E7%94%9F%E6%88%90HY%E5%92%8CNa2CO3.%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA.%E9%85%B8%E6%80%A7%E7%94%B1%E5%BC%BA%E5%88%B0%E5%BC%B1%EF%BC%9AHX%3EHY%3EH2CO3B.%E7%BB%93%E5%90%88H%2B%E7%9A%84%E8%83%BD%E5%8A%9B%EF%BC%9AY-+%3E+CO32-+%3E+X-)
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