Tuesday, May 7, 2019

solutions - Why does ice water get colder when salt is added?


It is well known that when you add salt to ice, the ice not only melts but will actually get colder. From chemistry books, I've learned that salt will lower the freezing point of water. But I’m a little confused as to why it results in a drop in temperature instead of just ending up with water at 0 °C.


What is occurring when salt melts the ice to make the temperature lower?




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