Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality Calculator

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✖A Van't Hoff Factor is the ratio of observed colligative property to theoretical colligative property.ⓘ Van't Hoff Factor [i]			+10% -10%
✖Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution.ⓘ Molality [m]			+10% -10%
✖The Molecular Mass Solvent is sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses.ⓘ Molecular Mass Solvent [M]			+10% -10%

✖Colligative Pressure given Van't Hoff factor is the lowering of vapour pressure of pure solvent on addition of solute.ⓘ Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality [Δp_{Van't Hoff}]

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Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality Solution

STEP 0: Pre-Calculation Summary

Formula Used

Colligative Pressure given Van't Hoff factor = (Van't Hoff Factor*Molality*Molecular Mass Solvent)/1000
Δp_{Van't Hoff} = (i*m*M)/1000
This formula uses 4 Variables

Variables Used

Colligative Pressure given Van't Hoff factor - Colligative Pressure given Van't Hoff factor is the lowering of vapour pressure of pure solvent on addition of solute.
Van't Hoff Factor - A Van't Hoff Factor is the ratio of observed colligative property to theoretical colligative property.
Molality - (Measured in Mole per Kilogram) - Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution.
Molecular Mass Solvent - (Measured in Kilogram) - The Molecular Mass Solvent is sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses.

STEP 1: Convert Input(s) to Base Unit

Van't Hoff Factor: 1.008 --> No Conversion Required
Molality: 1.79 Mole per Kilogram --> 1.79 Mole per Kilogram No Conversion Required
Molecular Mass Solvent: 18 Gram --> 0.018 Kilogram (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Δp_{Van't Hoff} = (i*m*M)/1000 --> (1.008*1.79*0.018)/1000

Evaluating ... ...

Δp_{Van't Hoff} = 3.247776E-05

STEP 3: Convert Result to Output's Unit

3.247776E-05 --> No Conversion Required

FINAL ANSWER

3.247776E-05 ≈ 3.2E-5 <-- Colligative Pressure given Van't Hoff factor

(Calculation completed in 00.020 seconds)

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Molecular Mass of Solvent given Relative Lowering of Vapour Pressure

LaTeX Go Molecular Mass Solvent = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*1000)/(Molality*Vapour Pressure of Pure Solvent)

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Mole Fraction of Solute given Vapour Pressure

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Mole Fraction of Solvent given Vapour Pressure

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Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality Formula

LaTeX Go

Colligative Pressure given Van't Hoff factor = (Van't Hoff Factor*Molality*Molecular Mass Solvent)/1000
Δp_{Van't Hoff} = (i*m*M)/1000

What causes the Relative Lowering Of Vapour Pressure?

This lowering in vapour pressure is due to the fact that after the solute was added to the pure liquid (solvent), the liquid surface now had molecules of both, the pure liquid and the solute. The number of solvent molecules escaping into vapour phase gets reduced and as a result the pressure exerted by the vapour phase is also reduced. This is known as relative lowering of vapour pressure. This decrease in vapour pressure depends on the amount of non-volatile solute added in the solution irrespective of its nature and hence it is one of the colligative properties.

How to Calculate Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality?

Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality calculator uses Colligative Pressure given Van't Hoff factor = (Van't Hoff Factor*Molality*Molecular Mass Solvent)/1000 to calculate the Colligative Pressure given Van't Hoff factor, The Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality formula is the measure of relative lowering of vapour pressure of solute which associates or dissociates in solution. Relative Lowering of Vapour Pressure is also known as Colligative Pressure. Colligative Pressure given Van't Hoff factor is denoted by Δp_{Van't Hoff} symbol.

How to calculate Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality using this online calculator? To use this online calculator for Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality, enter Van't Hoff Factor (i), Molality (m) & Molecular Mass Solvent (M) and hit the calculate button. Here is how the Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality calculation can be explained with given input values -> 9.7E-5 = (1.008*1.79*0.018)/1000.

FAQ

What is Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality?

The Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality formula is the measure of relative lowering of vapour pressure of solute which associates or dissociates in solution. Relative Lowering of Vapour Pressure is also known as Colligative Pressure and is represented as Δp_{Van't Hoff} = (i*m*M)/1000 or Colligative Pressure given Van't Hoff factor = (Van't Hoff Factor*Molality*Molecular Mass Solvent)/1000. A Van't Hoff Factor is the ratio of observed colligative property to theoretical colligative property, Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution & The Molecular Mass Solvent is sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses.

How to calculate Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality?

The Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality formula is the measure of relative lowering of vapour pressure of solute which associates or dissociates in solution. Relative Lowering of Vapour Pressure is also known as Colligative Pressure is calculated using Colligative Pressure given Van't Hoff factor = (Van't Hoff Factor*Molality*Molecular Mass Solvent)/1000. To calculate Van't Hoff Relative Lowering of Vapour Pressure given Molecular Mass and Molality, you need Van't Hoff Factor (i), Molality (m) & Molecular Mass Solvent (M). With our tool, you need to enter the respective value for Van't Hoff Factor, Molality & Molecular Mass Solvent and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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