填空题取溶液一份,加入浓氢氧化钠共热,产生无色有刺激性气味的气体,该气体遇浓硝酸冒白烟.又生成原物质.则该溶液中存在____离子.

填空题
取溶液一份,加入浓氢氧化钠共热,产生无色有刺激性气味的气体,该气体遇浓硝酸冒白烟.又生成原物质.则该溶液中存在____离子.

参考解析

解析:
能与浓氢氧化钠共热,产生无色有刺激性气味的气体且遇浓硝酸冒白烟,则溶液中必定含有NH4+,生成的白烟为NH4NO3的悬浮小颗粒,故溶液中的溶质为NH4NO3

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