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Does Adding Salt To Water Lower Its Freezing Point?

April 26, 2017freezing lower point Salt water

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Does Adding Salt To Water Lower Its Freezing Point?

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The presence of a solute (in this case, salt) in water depresses, or lowers the freezing point. A one molar solution of salt (that’s about 58.5g in 1 litre of water) will freeze at about -3.4o Celsius. The more salt is added, the lower the freezing point will be. That’s why salt melts ice.