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Salt doesn't make water freeze faster or slower.

Actually, it is not a question of faster or slower, but of the freezing point, or the temperature at which the water freezes. Salt added to water decreases the freezing point. So, on a day when the temperature reaches 32 degrees Fahrenheit, water with salt in it will simply not freeze (this is why fast or slow has nothing to do with it). The more salt, the lower the temperature must go in order for the water to freeze. This is true until the water reaches its saturation point (holds as much as salt as it can in solution), then adding more salt will not make a difference.

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โˆ™ 2012-04-24 04:07:15
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Q: Does salt make water freeze faster?
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