下列各组离子在指定溶液中,能大量共存的是①无色溶液中:K+、Cu2+、Na+、MnO4-、SO42-②使pH=11的溶液中:CO32-、Na+、AlO2-,NO3-③加入Al能放出H2的溶液中:Cl-、HCO3-、NO3-、NH4+④加入Mg能
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![下列各组离子在指定溶液中,能大量共存的是①无色溶液中:K+、Cu2+、Na+、MnO4-、SO42-②使pH=11的溶液中:CO32-、Na+、AlO2-,NO3-③加入Al能放出H2的溶液中:Cl-、HCO3-、NO3-、NH4+④加入Mg能](/uploads/image/z/12641018-50-8.jpg?t=%E4%B8%8B%E5%88%97%E5%90%84%E7%BB%84%E7%A6%BB%E5%AD%90%E5%9C%A8%E6%8C%87%E5%AE%9A%E6%BA%B6%E6%B6%B2%E4%B8%AD%2C%E8%83%BD%E5%A4%A7%E9%87%8F%E5%85%B1%E5%AD%98%E7%9A%84%E6%98%AF%E2%91%A0%E6%97%A0%E8%89%B2%E6%BA%B6%E6%B6%B2%E4%B8%AD%EF%BC%9AK%2B%E3%80%81Cu2%2B%E3%80%81Na%2B%E3%80%81MnO4%EF%BC%8D%E3%80%81SO42%EF%BC%8D%E2%91%A1%E4%BD%BFpH%3D11%E7%9A%84%E6%BA%B6%E6%B6%B2%E4%B8%AD%EF%BC%9ACO32-%E3%80%81Na%2B%E3%80%81AlO2%EF%BC%8D%2CNO3%EF%BC%8D%E2%91%A2%E5%8A%A0%E5%85%A5Al%E8%83%BD%E6%94%BE%E5%87%BAH2%E7%9A%84%E6%BA%B6%E6%B6%B2%E4%B8%AD%EF%BC%9ACl%EF%BC%8D%E3%80%81HCO3%EF%BC%8D%E3%80%81NO3%EF%BC%8D%E3%80%81NH4%2B%E2%91%A3%E5%8A%A0%E5%85%A5Mg%E8%83%BD)
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