Molecular Mass of Solute given Relative Lowering of Vapour Pressure Calculator

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✖The Weight of Solute is the quantity or amount of solute present in the solution.ⓘ Weight of Solute [w]			+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%
✖The Vapour Pressure of Pure Solvent is the vapour pressure of solvent prior to addition of solute.ⓘ Vapour Pressure of Pure Solvent [p_o]			+10% -10%
✖The Vapour Pressure of Solvent in Solution is the vapour pressure of solvent post addition of solute.ⓘ Vapour Pressure of Solvent in Solution [p]			+10% -10%
✖The weight of solvent is the quantity of solvent in a solution.ⓘ Weight of solvent [W]			+10% -10%

✖The Molecular Mass Solute is the molecular mass of solute in solution.ⓘ Molecular Mass of Solute given Relative Lowering of Vapour Pressure [M_solute]

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Molecular Mass of Solute given Relative Lowering of Vapour Pressure Solution

STEP 0: Pre-Calculation Summary

Formula Used

Molecular Mass Solute = (Weight of Solute*Molecular Mass Solvent*Vapour Pressure of Pure Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent)
M_solute = (w*M*p_o)/((p_o-p)*W)
This formula uses 6 Variables

Variables Used

Molecular Mass Solute - (Measured in Kilogram) - The Molecular Mass Solute is the molecular mass of solute in solution.
Weight of Solute - (Measured in Kilogram) - The Weight of Solute is the quantity or amount of solute 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.
Vapour Pressure of Pure Solvent - (Measured in Pascal) - The Vapour Pressure of Pure Solvent is the vapour pressure of solvent prior to addition of solute.
Vapour Pressure of Solvent in Solution - (Measured in Pascal) - The Vapour Pressure of Solvent in Solution is the vapour pressure of solvent post addition of solute.
Weight of solvent - (Measured in Kilogram) - The weight of solvent is the quantity of solvent in a solution.

STEP 1: Convert Input(s) to Base Unit

Weight of Solute: 21 Gram --> 0.021 Kilogram (Check conversion here)
Molecular Mass Solvent: 18 Gram --> 0.018 Kilogram (Check conversion here)
Vapour Pressure of Pure Solvent: 2000 Pascal --> 2000 Pascal No Conversion Required
Vapour Pressure of Solvent in Solution: 1895.86 Pascal --> 1895.86 Pascal No Conversion Required
Weight of solvent: 20 Gram --> 0.02 Kilogram (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

M_solute = (w*M*p_o)/((p_o-p)*W) --> (0.021*0.018*2000)/((2000-1895.86)*0.02)

Evaluating ... ...

M_solute = 0.362972921067793

STEP 3: Convert Result to Output's Unit

0.362972921067793 Kilogram -->362.972921067793 Gram (Check conversion here)

FINAL ANSWER

362.972921067793 ≈ 362.9729 Gram <-- Molecular Mass Solute

(Calculation completed in 00.020 seconds)

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University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA

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< Relative Lowering of Vapour Pressure Calculators

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)

Relative Lowering of Vapour Pressure

LaTeX Go Relative Lowering of Vapour Pressure = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent

Mole Fraction of Solute given Vapour Pressure

LaTeX Go Mole Fraction of Solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent

Mole Fraction of Solvent given Vapour Pressure

LaTeX Go Mole Fraction of Solvent = Vapour Pressure of Solvent in Solution/Vapour Pressure of Pure Solvent

Molecular Mass of Solute given Relative Lowering of Vapour Pressure Formula

LaTeX Go

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 Molecular Mass of Solute given Relative Lowering of Vapour Pressure?

Molecular Mass of Solute given Relative Lowering of Vapour Pressure calculator uses Molecular Mass Solute = (Weight of Solute*Molecular Mass Solvent*Vapour Pressure of Pure Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent) to calculate the Molecular Mass Solute, The Molecular Mass of Solute given Relative Lowering of Vapour Pressure is sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses. Molecular Mass Solute is denoted by M_solute symbol.

How to calculate Molecular Mass of Solute given Relative Lowering of Vapour Pressure using this online calculator? To use this online calculator for Molecular Mass of Solute given Relative Lowering of Vapour Pressure, enter Weight of Solute (w), Molecular Mass Solvent (M), Vapour Pressure of Pure Solvent (p_o), Vapour Pressure of Solvent in Solution (p) & Weight of solvent (W) and hit the calculate button. Here is how the Molecular Mass of Solute given Relative Lowering of Vapour Pressure calculation can be explained with given input values -> 362972.9 = (0.021*0.018*2000)/((2000-1895.86)*0.02).

FAQ

What is Molecular Mass of Solute given Relative Lowering of Vapour Pressure?

The Molecular Mass of Solute given Relative Lowering of Vapour Pressure is sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses and is represented as M_solute = (w*M*p_o)/((p_o-p)*W) or Molecular Mass Solute = (Weight of Solute*Molecular Mass Solvent*Vapour Pressure of Pure Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent). The Weight of Solute is the quantity or amount of solute 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, The Vapour Pressure of Pure Solvent is the vapour pressure of solvent prior to addition of solute, The Vapour Pressure of Solvent in Solution is the vapour pressure of solvent post addition of solute & The weight of solvent is the quantity of solvent in a solution.

How to calculate Molecular Mass of Solute given Relative Lowering of Vapour Pressure?

The Molecular Mass of Solute given Relative Lowering of Vapour Pressure is sum of the atomic masses of all atoms in a molecule, based on a scale in which the atomic masses is calculated using Molecular Mass Solute = (Weight of Solute*Molecular Mass Solvent*Vapour Pressure of Pure Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent). To calculate Molecular Mass of Solute given Relative Lowering of Vapour Pressure, you need Weight of Solute (w), Molecular Mass Solvent (M), Vapour Pressure of Pure Solvent (p_o), Vapour Pressure of Solvent in Solution (p) & Weight of solvent (W). With our tool, you need to enter the respective value for Weight of Solute, Molecular Mass Solvent, Vapour Pressure of Pure Solvent, Vapour Pressure of Solvent in Solution & Weight of 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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