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Solvent Molecular Weight given Molal Freezing Point Lowering Constant Formula

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Solvent Molecular Weight is a measure of the sum of the atomic weight values of the atoms in a molecule of solvent. Check FAQs

MW solvent = \frac{K f \cdot ΔH f \cdot 1000}{[R] \cdot ({T fp}^{2})}

MW_solvent - Solvent Molecular Weight?K_f - Molal freezing point constant?ΔH_f - Molal Heat of Fusion?T_fp - Solvent Freezing Point?[R] - Universal gas constant?

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Example

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Here is how the Solvent Molecular Weight given Molal Freezing Point Lowering Constant equation looks like with Values.

Here is how the Solvent Molecular Weight given Molal Freezing Point Lowering Constant equation looks like with Units.

Here is how the Solvent Molecular Weight given Molal Freezing Point Lowering Constant equation looks like.

13.0094 = \frac{100 \cdot 200 \cdot 1000}{8.3145 \cdot (430^{2})}

13.0094kg = \frac{100K*kg/mol \cdot 200J/mol \cdot 1000}{8.3145 \cdot ({430K}^{2})}

13.0094 = \frac{100 \cdot 200 \cdot 1000}{8.3145 \cdot (430^{2})}

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Depression in Freezing Point » fx Solvent Molecular Weight given Molal Freezing Point Lowering Constant

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Solution

Follow our step by step solution on how to calculate Solvent Molecular Weight given Molal Freezing Point Lowering Constant?

FIRST Step Consider the formula

MW solvent = \frac{K f \cdot ΔH f \cdot 1000}{[R] \cdot ({T fp}^{2})}

Next Step Substitute values of Variables

∴

MW solvent = \frac{100K*kg/mol \cdot 200J/mol \cdot 1000}{[R] \cdot ({430K}^{2})}

Next Step Substitute values of Constants

∴

MW solvent = \frac{100K*kg/mol \cdot 200J/mol \cdot 1000}{8.3145 \cdot ({430K}^{2})}

Next Step Prepare to Evaluate

∴

MW solvent = \frac{100 \cdot 200 \cdot 1000}{8.3145 \cdot (430^{2})}

Next Step Evaluate

∴

MW solvent = 13.0094488959141kg

LAST Step Rounding Answer

∴

MW solvent = 13.0094kg

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Formula Elements

Variables

Constants

Solvent Molecular Weight

Solvent Molecular Weight is a measure of the sum of the atomic weight values of the atoms in a molecule of solvent.

Symbol: MW_solvent

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Solvent Molecular Weight

Molal freezing point constant

Molal freezing point constant, also known as cryoscopic constant is dependent on the properties of the solvent, not the solute.

Symbol: K_f

Measurement: Cryoscopic ConstantUnit: K*kg/mol

Note: Value can be positive or negative.

Formulas to find Molal freezing point constant

Molal Heat of Fusion

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.

Symbol: ΔH_f

Measurement: Energy Per MoleUnit: J/mol

Note: Value can be positive or negative.

Formulas to find Molal Heat of Fusion

Solvent Freezing Point

Solvent Freezing Point is the temperature at which the solvent freezes from liquid to solid state.

Symbol: T_fp

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Solvent Freezing Point

Universal gas constant

Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.

Symbol: [R]

Value: 8.31446261815324

Other formulas in Depression in Freezing Point category

Go Depression in Freezing Point of Solvent

ΔT f = k f \cdot m

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

ΔT f = i \cdot k f \cdot m

Go Molality given Depression in Freezing Point

m = \frac{ΔT f}{k f \cdot i}

Go Cryoscopic Constant given Molar Enthalpy of Fusion

k f = \frac{[R] \cdot T fp \cdot T fp \cdot M solvent}{1000 \cdot ΔH fusion}

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

Solvent Molecular Weight given Molal Freezing Point Lowering Constant evaluator uses Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2)) to evaluate 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 evaluate Solvent Molecular Weight given Molal Freezing Point Lowering Constant using this online evaluator? To use this online evaluator 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.

FAQs on Solvent Molecular Weight given Molal Freezing Point Lowering Constant

What is the formula to find Solvent Molecular Weight given Molal Freezing Point Lowering Constant?

The formula of Solvent Molecular Weight given Molal Freezing Point Lowering Constant is expressed as Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2)). Here is an example- 13.00945 = (100*200*1000)/([R]*(430^2)).

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

With Molal freezing point constant (K_f), Molal Heat of Fusion (ΔH_f) & Solvent Freezing Point (T_fp) we can find Solvent Molecular Weight given Molal Freezing Point Lowering Constant using the formula - Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2)). This formula also uses Universal gas constant .

Can the Solvent Molecular Weight given Molal Freezing Point Lowering Constant be negative?

No, the Solvent Molecular Weight given Molal Freezing Point Lowering Constant, measured in Weight cannot be negative.

Which unit is used to measure Solvent Molecular Weight given Molal Freezing Point Lowering Constant?

Solvent Molecular Weight given Molal Freezing Point Lowering Constant is usually measured using the Kilogram[kg] for Weight. Gram[kg], Milligram[kg], Ton (Metric)[kg] are the few other units in which Solvent Molecular Weight given Molal Freezing Point Lowering Constant can be measured.

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Solvent Molecular Weight given Molal Freezing Point Lowering Constant Formula

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Example

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Solution

Solvent Molecular Weight given Molal Freezing Point Lowering Constant Formula Elements

Other formulas in Depression in Freezing Point category

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

FAQs on Solvent Molecular Weight given Molal Freezing Point Lowering Constant

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