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When a non volatile solute is dissolved in a solvent?

The addition of a nonvolatile solute results in a lowering of the vapor pressure of the solvent. Figure 1. The solution on the right left has had some of its solvent particles replaced by solute particles.

What is Raoult’s Law for non volatile solute?

Raoult’s law – The vapour pressure of a solution of a non-volatile solute is equal to the vapour pressure of the pure solvent at that temperature multiplied by its mole fraction.

When methyl alcohol is dissolved in water boiling point?

When methyl alcohol is added to water, boiling point of water decreases because when a volatile solute is added to a volatile solvent elevation in boiling point is observed.

When methyl alcohol is added to water boiling point increases or decreases?

Complete answer: – When methanol is added to the water the boiling point of the water decreases because easily volatile solutes make the solvent to evaporate at a lesser temperature when compared to normal solvent.

What are the four Colligative properties?

The four colligative properties that can be exhibited by a solution are:

  • Boiling point elevation.
  • Freezing point depression.
  • Relative lowering of vapour pressure.
  • Osmotic pressure.

What is the effect on the boiling point of water if 1 mole of methyl alcohol?

Explain in why on addition of 1 moe of NaCl to 1L of water, the boiling point of water increases, while addition of 1 mole of methyl alcohol to 1 L of water decreases its boilbing point .

What is the chemical name of methanol?

methyl alcohol

Why does an addition of 1 mole of NaCl?

Explain in why on addition of 1 moe of NaCl to 1L of water, the boiling point of water increases, while addition of 1 mole of methyl alcohol to 1 L of water decreases its boilbing point . NaCl is non-volatile solute. So, its addition to water lowers the vapour pressure of the water.