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Kate asked in Science & MathematicsChemistry · 1 decade ago

Chemistry help, please!!!!! Thanks!?

3. If a solute's solubility increases with decreasing temperature, is it more likely a solid, liquid or gas?

#5. A chemist finds out that a sample of alcohol has been contaminated with a gas. What can the chemist do to get rid of the majority of this dissolved contaminant?

#6. What kind of solute (solid, liquid, or gas) usually increases in solubility with increasing temperature?

#13. When a certain amount of MgF2 is added to water, the freezing point lowers by 3.5 Celsius. What was the molality of the magnesium fluoride?

2 Answers

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  • 1 decade ago
    Favorite Answer

    3. probably a gas

    5. boil it

    6. solid

    13. 3.5=Kf*b

    b=3.5/Kf=3.5/1.8=1.94 mol/kg

  • 1 decade ago

    3. gas

    5 heat it

    6 solid

    13.

    MgF2 produces 3 particles in solution to lower the fp

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