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> 某溶液中含有大量的下列离子：Ca 2+、NO 3 -、K +和M离子，经测定Ca 2+、NO 3 -、K +离子的物质的量之比为2：4：1，则M离子可能是下列中的（　　） A．Na+ B．CO32- C．Mg2+ D．Cl-

问题：

发布时间：2024-09-09

某溶液中含有大量的下列离子：Ca ²⁺、NO ₃ ^-、K ⁺和M离子，经测定Ca ²⁺、NO ₃ ^-、K ⁺离子的物质的量之比为2：4：1，则M离子可能是下列中的（　　）

A．Na⁺ B．CO₃^2- C．Mg²⁺ D．Cl^-

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某溶液中含有大量的下列离子：Ca 2+、NO 3 -、K +和M离子，经测定Ca 2+、NO 3 -、K +离子的物质的量之比为2：4：1，则M离子可能是下列中的（ ） A．Na+ B．CO32- C．Mg2+ D．Cl-

可能感兴趣的题目：

某溶液中含有大量的下列离子：Ca ²⁺、NO ₃ ^-、K ⁺和M离子，经测定Ca ²⁺、NO ₃ ^-、K ⁺离子的物质的量之比为2：4：1，则M离子可能是下列中的（　　）

A．Na⁺ B．CO₃^2- C．Mg²⁺ D．Cl^-