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Depression in Freezing Point of Solvent Formula

GoVan't Hoff equation for Depression in Freezing Point of electrolyte Formula

GoDepression in Freezing Point given Vapour Pressure Formula

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The Depression in Freezing Point is the phenomena that describes why adding a solute to a solvent results in the lowering of the freezing point of the solvent. Check FAQs

ΔT f = k f \cdot m

ΔT_f - Depression in Freezing Point?k_f - Cryoscopic Constant?m - Molality?

Depression in Freezing Point of Solvent Example

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Here is how the Depression in Freezing Point of Solvent equation looks like with Values.

Here is how the Depression in Freezing Point of Solvent equation looks like with Units.

Here is how the Depression in Freezing Point of Solvent equation looks like.

11.9035 = 6.65 \cdot 1.79

11.9035K = 6.65K*kg/mol \cdot 1.79mol/kg

11.9035 = 6.65 \cdot 1.79

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Depression in Freezing Point » fx Depression in Freezing Point of Solvent

Depression in Freezing Point of Solvent Solution

Follow our step by step solution on how to calculate Depression in Freezing Point of Solvent?

FIRST Step Consider the formula

ΔT f = k f \cdot m

Next Step Substitute values of Variables

∴

ΔT f = 6.65K*kg/mol \cdot 1.79mol/kg

Next Step Prepare to Evaluate

∴

ΔT f = 6.65 \cdot 1.79

LAST Step Evaluate

∴

ΔT f = 11.9035K

Depression in Freezing Point of Solvent Formula Elements

Variables

Depression in Freezing Point

The Depression in Freezing Point is the phenomena that describes why adding a solute to a solvent results in the lowering of the freezing point of the solvent.

Symbol: ΔT_f

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Depression in Freezing Point

Cryoscopic Constant

The Cryoscopic Constant is described as the freezing point depression when a mole of non-volatile solute is dissolved in one kg of solvent.

Symbol: k_f

Measurement: Cryoscopic ConstantUnit: K*kg/mol

Note: Value should be greater than 0.

Formulas to find Cryoscopic Constant

Molality

Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution.

Symbol: m

Measurement: MolalityUnit: mol/kg

Note: Value can be positive or negative.

Formulas to find Molality

Other Formulas to find Depression in Freezing Point

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

ΔT f = i \cdot k f \cdot m

Go Depression in Freezing Point given Vapour Pressure

ΔT f = \frac{(Po A - P A) \cdot [R] \cdot ({T fp}^{2})}{Po A \cdot ΔH fusion}

Go Depression in Freezing Point given Elevation in Boiling Point

ΔT f = \frac{ΔH vap \cdot ΔT b \cdot ({T fp}^{2})}{ΔH fusion \cdot ({T bp}^{2})}

Go Depression in Freezing Point given Osmotic Pressure

ΔT f = \frac{π \cdot V m \cdot ({T fp}^{2})}{T \cdot ΔH fusion}

Other formulas in Depression in Freezing Point category

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}

Go Cryoscopic Constant given Latent Heat of Fusion

k f = \frac{[R] \cdot {T f}^{2}}{1000 \cdot L fusion}

Go Freezing Point of Solvent given Cryoscopic Constant and Molar Enthalpy of Fusion

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

How to Evaluate Depression in Freezing Point of Solvent?

Depression in Freezing Point of Solvent evaluator uses Depression in Freezing Point = Cryoscopic Constant*Molality to evaluate the Depression in Freezing Point, The Depression in Freezing Point of solvent refers to the lowering of the freezing point of solvents upon the addition of solutes. It is a colligative property described by the following formula - ΔTf = Kf× m. Depression in Freezing Point is denoted by ΔT_f symbol.

How to evaluate Depression in Freezing Point of Solvent using this online evaluator? To use this online evaluator for Depression in Freezing Point of Solvent, enter Cryoscopic Constant (k_f) & Molality (m) and hit the calculate button.

FAQs on Depression in Freezing Point of Solvent

What is the formula to find Depression in Freezing Point of Solvent?

The formula of Depression in Freezing Point of Solvent is expressed as Depression in Freezing Point = Cryoscopic Constant*Molality. Here is an example- 3.31687 = 6.65*1.79.

How to calculate Depression in Freezing Point of Solvent?

With Cryoscopic Constant (k_f) & Molality (m) we can find Depression in Freezing Point of Solvent using the formula - Depression in Freezing Point = Cryoscopic Constant*Molality.

What are the other ways to Calculate Depression in Freezing Point?

Here are the different ways to Calculate Depression in Freezing Point-

Depression in Freezing Point=Van't Hoff Factor*Cryoscopic Constant*Molality
Depression in Freezing Point=((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*[R]*(Solvent Freezing Point^2))/(Vapour Pressure of Pure Solvent*Molar Enthalpy of Fusion)
Depression in Freezing Point=(Molar Enthalpy of Vaporization*Elevation in Boiling Point*(Solvent Freezing Point^2))/(Molar Enthalpy of Fusion*(Solvent Boiling Point^2))

Can the Depression in Freezing Point of Solvent be negative?

Yes, the Depression in Freezing Point of Solvent, measured in Temperature can be negative.

Which unit is used to measure Depression in Freezing Point of Solvent?

Depression in Freezing Point of Solvent is usually measured using the Kelvin[K] for Temperature. Celsius[K], Fahrenheit[K], Rankine[K] are the few other units in which Depression in Freezing Point of Solvent can be measured.

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