zoebella5 zoebella5

18-10-2018
Chemistry

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In the winter , people often buy large bags of rock salt to sprinkle on their walkways . Why do people do this?

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gefuerstenau gefuerstenau

18-10-2018

The salt causes the water to freeze at a lower temperature. When a solute, aka salt, is introduced to the system, the freezing point is lowered. This makes the water freeze at a lower temperature.

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