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物质的分离、提纯

> 海水中提取的食盐经精制(除去Ca 2+、Mg 2+和SO 4 2-后，含有少量的氯化钾等杂质，为了提纯并得到更多的食盐，用某液体洗涤，该液体最好是 [ ] A.蒸馏水 B.饱和食盐水 C.饱和氯化钾溶液 D.75%的酒精溶液

问题：

发布时间：2024-09-13

海水中提取的食盐经精制(除去Ca ²⁺、Mg ²⁺和SO ₄ ^2-后，含有少量的氯化钾等杂质，为了提纯并得到更多的食盐，用某液体洗涤，该液体最好是
[ ]
A.蒸馏水
B.饱和食盐水
C.饱和氯化钾溶液
D.75%的酒精溶液

参考答案：

提问用户：aB***tiw

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