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Molality given Depression in Freezing Point Formula

GoMolality given Freezing Point Depression Formula

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

m = \frac{ΔT f}{k f \cdot i}

m - Molality?ΔT_f - Depression in Freezing Point?k_f - Cryoscopic Constant?i - Van't Hoff Factor?

Molality given Depression in Freezing Point Example

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Here is how the Molality given Depression in Freezing Point equation looks like with Values.

Here is how the Molality given Depression in Freezing Point equation looks like with Units.

Here is how the Molality given Depression in Freezing Point equation looks like.

1.7902 = \frac{12}{6.65 \cdot 1.008}

1.7902mol/kg = \frac{12K}{6.65K*kg/mol \cdot 1.008}

1.7902 = \frac{12}{6.65 \cdot 1.008}

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Depression in Freezing Point » fx Molality given Depression in Freezing Point

Molality given Depression in Freezing Point Solution

Follow our step by step solution on how to calculate Molality given Depression in Freezing Point?

FIRST Step Consider the formula

m = \frac{ΔT f}{k f \cdot i}

Next Step Substitute values of Variables

∴

m = \frac{12K}{6.65K*kg/mol \cdot 1.008}

Next Step Prepare to Evaluate

∴

m = \frac{12}{6.65 \cdot 1.008}

Next Step Evaluate

∴

m = 1.79018976011457mol/kg

LAST Step Rounding Answer

∴

m = 1.7902mol/kg

Molality given Depression in Freezing Point Formula Elements

Variables

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

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

Van't Hoff Factor

A Van't Hoff Factor is the ratio of observed colligative property to theoretical colligative property.

Symbol: i

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Van't Hoff Factor

Other Formulas to find Molality

Go Molality given Freezing Point Depression

m = \frac{ΔT f}{K f}

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 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}

How to Evaluate Molality given Depression in Freezing Point?

Molality given Depression in Freezing Point evaluator uses Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor) to evaluate the Molality, The Molality given Depression in Freezing Point is a property of a solution and is defined as the number of moles of solute per kilogram of solvent. The SI unit for molality is mol/kg. Molality is denoted by m symbol.

How to evaluate Molality given Depression in Freezing Point using this online evaluator? To use this online evaluator for Molality given Depression in Freezing Point, enter Depression in Freezing Point (ΔT_f), Cryoscopic Constant (k_f) & Van't Hoff Factor (i) and hit the calculate button.

FAQs on Molality given Depression in Freezing Point

What is the formula to find Molality given Depression in Freezing Point?

The formula of Molality given Depression in Freezing Point is expressed as Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor). Here is an example- 6.424588 = 12/(6.65*1.008).

How to calculate Molality given Depression in Freezing Point?

With Depression in Freezing Point (ΔT_f), Cryoscopic Constant (k_f) & Van't Hoff Factor (i) we can find Molality given Depression in Freezing Point using the formula - Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor).

What are the other ways to Calculate Molality?

Here are the different ways to Calculate Molality-

Molality=Depression in Freezing Point/Molal freezing point constant

Can the Molality given Depression in Freezing Point be negative?

Yes, the Molality given Depression in Freezing Point, measured in Molality can be negative.

Which unit is used to measure Molality given Depression in Freezing Point?

Molality given Depression in Freezing Point is usually measured using the Mole per Kilogram[mol/kg] for Molality. Millimole per Kilogram[mol/kg] are the few other units in which Molality given Depression in Freezing Point can be measured.

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