将0.2mol/L HCN溶液和0.1mol/L的NaOH溶液等体积混合后,溶液显碱性,下列关系式中正确的是A.[HCN][CN-]C.[HCN]-[CN-]=[OH-]D..[HCN]+[CN-]=0.1mol/L解析说实质上是0.05mol/L的HCN溶液和0.05mol/L的NaCN溶液的混合溶液
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 15:56:35
![将0.2mol/L HCN溶液和0.1mol/L的NaOH溶液等体积混合后,溶液显碱性,下列关系式中正确的是A.[HCN][CN-]C.[HCN]-[CN-]=[OH-]D..[HCN]+[CN-]=0.1mol/L解析说实质上是0.05mol/L的HCN溶液和0.05mol/L的NaCN溶液的混合溶液](/uploads/image/z/3040837-61-7.jpg?t=%E5%B0%860.2mol%2FL+HCN%E6%BA%B6%E6%B6%B2%E5%92%8C0.1mol%2FL%E7%9A%84NaOH%E6%BA%B6%E6%B6%B2%E7%AD%89%E4%BD%93%E7%A7%AF%E6%B7%B7%E5%90%88%E5%90%8E%2C%E6%BA%B6%E6%B6%B2%E6%98%BE%E7%A2%B1%E6%80%A7%2C%E4%B8%8B%E5%88%97%E5%85%B3%E7%B3%BB%E5%BC%8F%E4%B8%AD%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA.%5BHCN%5D%5BCN-%5DC.%5BHCN%5D-%5BCN-%5D%3D%5BOH-%5DD..%5BHCN%5D%2B%5BCN-%5D%3D0.1mol%2FL%E8%A7%A3%E6%9E%90%E8%AF%B4%E5%AE%9E%E8%B4%A8%E4%B8%8A%E6%98%AF0.05mol%2FL%E7%9A%84HCN%E6%BA%B6%E6%B6%B2%E5%92%8C0.05mol%2FL%E7%9A%84NaCN%E6%BA%B6%E6%B6%B2%E7%9A%84%E6%B7%B7%E5%90%88%E6%BA%B6%E6%B6%B2)
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