Why Does Salt Melt an Ice Faster Than Sugar?

Answer

The reason why salt melts ice faster than sugar is due to the freezing-point depression. When water is pure, it has a certain freezing point. When something is added, it changes that freezing point. Salt has more molecules per gram than sugar does. This means when salt is added to the ice, the freezing point of the water is lowered. This will cause the ice to melt. Sugar doesn't have enough molecules to make this change happen.
Q&A Related to "Why Does Salt Melt an Ice Faster Than Sugar?"
Experiment. Place three bottles in a home-freezer, one containing tap water, a second with a saturated salt solution, and a third with a saturated sugar solution. You will find the
http://www.ehow.com/how_5516328_salt-melt-ice-fast...
Because salt melts ice essentially because adding salt lowers the freezing point of the water.
http://wiki.answers.com/Q/Why_does_salt_melt_ice_f...
because when you add salt to water, it lowers the freezing point of the new salt/water bonded molecules. Anti-freeze uses the same thing to help the water in your engine from freezing
http://answers.yahoo.com/question/index?qid=200811...
The melting point of a pure substance is always a constant quantity and is a good measure to find the purity of a solid.For example, melting point of pure ice at a pressure of 76cm
http://www.tutorvista.com/ks/why-does-salt-melt-ic...
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