To test the hypothesis, which is that solute molecules do not cause a decrease i

Question

To test the hypothesis, which is that solute molecules do not cause a decrease in vapor pressure by blocking the solvent molecules from escaping, you would need to measure vapor pressure while you simulate this blockage. Blocking solvent molecules from escaping can be accomplished in a variety of ways, but the same principle would be applied in each case. Complete the following statement about what property is being affected. Spell out the full name of the property. The act of blocking solvent molecules can be simulated by effectively decreasing the solvent's __________________.

Explanation / Answer

Blocking solvent molecules from escaping is like adding a solute to the solvent to bring about elevation in boiling point, Because by blocking solvent molecules from escaping you are not allowing it to feel the true vapour pressure of the surrounding and hence its boiling point increases.

The full name of the property is Boiling point elevation

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