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如何区分naoh，na2co3，nahco3

2025-04-03 22:45:12
推荐回答（1个）
回答1：

加水溶解，加少量氯化钙溶液造沉淀（Na2CO3和NaOH溶液会出现白色混浊，NaHCO3无明显现象，可鉴别出NaHCO3），再向两种出现白色混浊的液体中加入盐酸，白色浑浊消失，Na2CO3溶液会产生大量旗袍，NaOH溶液则不会。

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