Question: You have read that adding NaCl to water can both increase its boiling point and decrease its freezing point. A friend of yours explains it

You have read that adding NaCl to water can both increase its boiling point and decrease its freezing point. A friend of yours explains it to you like this: “The ions prevent freezing by blocking the water molecules from joining together. The hydration of the ions also makes the water boil at a higher temperature.” What do you say to your friend?

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