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avatarTomateSupra7536
Secondary IV • 3yr.

Hello, I don’t understand why salt melts ice. Could you explain it to me using the atomic model please?

Chemistry
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  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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      avatarÉveline Oteacher check
      Team Alloprof • 3yr.

      Hi!

      To answer this question, you need to understand and know what a phase diagram is, as shown below. In fact, salt does not melt water, but rather lowers the melting temperature.

      image.png

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      i-icon

      All this phenomenon is due to the enthalpy of fusion which changes with the addition of solute!

      Hope that helps! Reach out if there is anything else! 

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