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离子共存

> 在下列给定条件的溶液中，一定能大量共存的离子组是 [ ] A．无色溶液：Ca 2＋、H ＋、Cl －、HSO 3 － B．能使pH试纸呈红色的溶液：Na ＋、NH 4 ＋、I －、NO 3 － C．Na 2CO 3溶液：K ＋、Fe 3＋、SO 4 2－、NO 3 － D．＝0.1 mol/L的溶液：Na ＋、K ＋、SiO 3 2－、NO 3 －

问题：

发布时间：2024-09-07

在下列给定条件的溶液中，一定能大量共存的离子组是
[ ]
A．无色溶液：Ca ^2＋、H ^＋、Cl ^－、HSO ₃ ^－
B．能使pH试纸呈红色的溶液：Na ^＋、NH ₄ ^＋、I ^－、NO ₃ ^－
C．Na ₂CO ₃溶液：K ^＋、Fe ^3＋、SO ₄ ^2－、NO ₃ ^－
D．＝0.1 mol/L的溶液：Na ^＋、K ^＋、SiO ₃ ^2－、NO ₃ ^－

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