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Solvent Molecular Weight given Molal Freezing Point Lowering Constant Calculator

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✖Molal freezing point constant, also known as cryoscopic constant is dependent on the properties of the solvent, not the solute.ⓘ Molal freezing point constant [K_f]			+10% -10%
✖Molal Heat of Fusion is the amount of energy needed to change one mole of a substance from the solid phase to the liquid phase at constant temperature and pressure.ⓘ Molal Heat of Fusion [ΔH_f]			+10% -10%
✖Solvent Freezing Point is the temperature at which the solvent freezes from liquid to solid state.ⓘ Solvent Freezing Point [T_fp]			+10% -10%

✖Solvent Molecular Weight is a measure of the sum of the atomic weight values of the atoms in a molecule of solvent.ⓘ Solvent Molecular Weight given Molal Freezing Point Lowering Constant [MW_solvent]

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Solvent Molecular Weight given Molal Freezing Point Lowering Constant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2))
MW_solvent = (K_f*ΔH_f*1000)/([R]*(T_fp^2))
This formula uses 1 Constants, 4 Variables

Constants Used

[R] - Universal gas constant Value Taken As 8.31446261815324

Variables Used

Solvent Molecular Weight - (Measured in Kilogram) - Solvent Molecular Weight is a measure of the sum of the atomic weight values of the atoms in a molecule of solvent.
Molal freezing point constant - (Measured in Kelvin Kilogram per Mole) - Molal freezing point constant, also known as cryoscopic constant is dependent on the properties of the solvent, not the solute.
Molal Heat of Fusion - (Measured in Joule Per Mole) - Molal Heat of Fusion is the amount of energy needed to change one mole of a substance from the solid phase to the liquid phase at constant temperature and pressure.
Solvent Freezing Point - (Measured in Kelvin) - Solvent Freezing Point is the temperature at which the solvent freezes from liquid to solid state.

STEP 1: Convert Input(s) to Base Unit

Molal freezing point constant: 100 Kelvin Kilogram per Mole --> 100 Kelvin Kilogram per Mole No Conversion Required
Molal Heat of Fusion: 200 Joule Per Mole --> 200 Joule Per Mole No Conversion Required
Solvent Freezing Point: 430 Kelvin --> 430 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

MW_solvent = (K_f*ΔH_f*1000)/([R]*(T_fp^2)) --> (100*200*1000)/([R]*(430^2))

Evaluating ... ...

MW_solvent = 13.0094488959141

STEP 3: Convert Result to Output's Unit

13.0094488959141 Kilogram --> No Conversion Required

FINAL ANSWER

13.0094488959141 ≈ 13.00945 Kilogram <-- Solvent Molecular Weight

(Calculation completed in 00.004 seconds)

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< Depression in Freezing Point Calculators

Cryoscopic Constant given Molar Enthalpy of Fusion

LaTeX Go Cryoscopic Constant = ([R]*Solvent Freezing Point*Solvent Freezing Point*Molar Mass of Solvent)/(1000*Molar Enthalpy of Fusion)

Molality given Depression in Freezing Point

LaTeX Go Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor)

Van't Hoff equation for Depression in Freezing Point of electrolyte

LaTeX Go Depression in Freezing Point = Van't Hoff Factor*Cryoscopic Constant*Molality

Depression in Freezing Point of Solvent

LaTeX Go Depression in Freezing Point = Cryoscopic Constant*Molality

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Formula

LaTeX Go

Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2))
MW_solvent = (K_f*ΔH_f*1000)/([R]*(T_fp^2))

Explain Freezing Point Depression.

The Freezing point depression is the temperature at which the liquid solvent and solid solvent are at equilibrium so that their vapor pressures are equal. When a non-volatile solute is added to a volatile liquid solvent, the solution vapor pressure will be lower than that of the pure solvent. As a result, the solid will reach equilibrium with the solution at a lower temperature than with the pure solvent.

How to Calculate Solvent Molecular Weight given Molal Freezing Point Lowering Constant?

Solvent Molecular Weight given Molal Freezing Point Lowering Constant calculator uses Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2)) to calculate the Solvent Molecular Weight, The Solvent Molecular Weight given Molal Freezing Point Lowering Constant is the mass of the given solvent. Freezing point depression is a colligative property observed in solutions that results from the introduction of solute molecules to a solvent. Solvent Molecular Weight is denoted by MW_solvent symbol.

How to calculate Solvent Molecular Weight given Molal Freezing Point Lowering Constant using this online calculator? To use this online calculator for Solvent Molecular Weight given Molal Freezing Point Lowering Constant, enter Molal freezing point constant (K_f), Molal Heat of Fusion (ΔH_f) & Solvent Freezing Point (T_fp) and hit the calculate button. Here is how the Solvent Molecular Weight given Molal Freezing Point Lowering Constant calculation can be explained with given input values -> 13.00945 = (100*200*1000)/([R]*(430^2)).

FAQ

What is Solvent Molecular Weight given Molal Freezing Point Lowering Constant?

The Solvent Molecular Weight given Molal Freezing Point Lowering Constant is the mass of the given solvent. Freezing point depression is a colligative property observed in solutions that results from the introduction of solute molecules to a solvent and is represented as MW_solvent = (K_f*ΔH_f*1000)/([R]*(T_fp^2)) or Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2)). Molal freezing point constant, also known as cryoscopic constant is dependent on the properties of the solvent, not the solute, Molal Heat of Fusion is the amount of energy needed to change one mole of a substance from the solid phase to the liquid phase at constant temperature and pressure & Solvent Freezing Point is the temperature at which the solvent freezes from liquid to solid state.

How to calculate Solvent Molecular Weight given Molal Freezing Point Lowering Constant?

The Solvent Molecular Weight given Molal Freezing Point Lowering Constant is the mass of the given solvent. Freezing point depression is a colligative property observed in solutions that results from the introduction of solute molecules to a solvent is calculated using Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2)). To calculate Solvent Molecular Weight given Molal Freezing Point Lowering Constant, you need Molal freezing point constant (K_f), Molal Heat of Fusion (ΔH_f) & Solvent Freezing Point (T_fp). With our tool, you need to enter the respective value for Molal freezing point constant, Molal Heat of Fusion & Solvent Freezing Point 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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