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Raoult's Law and Ionic or Organic Solutions

At 55.0 C, what is the vapor pressure of a solution prepared by dissolving 62.8 g of LiF in 247 g of water? The vapor pressure of water at 55.0 C is 118 mmHg. Assume complete dissociation of the solute.

  • Chemistry -

    Psoln = XH2OPoH2O

  • Chemistry -

    Use the g LiF and g H2O to determine mole fraction water. Since LiF ionizes completely, you will have X for Li ion, X for F ion, and X for water.

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