Molality given Depression in Freezing Point Solution

STEP 0: Pre-Calculation Summary
Formula Used
Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor)
m = ΔTf/(kf*i)
This formula uses 4 Variables
Variables Used
Molality - (Measured in Mole per Kilogram) - Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution.
Depression in Freezing Point - (Measured in Kelvin) - 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.
Cryoscopic Constant - (Measured in Kelvin Kilogram per Mole) - The Cryoscopic Constant is described as the freezing point depression when a mole of non-volatile solute is dissolved in one kg of solvent.
Van't Hoff Factor - A Van't Hoff Factor is the ratio of observed colligative property to theoretical colligative property.
STEP 1: Convert Input(s) to Base Unit
Depression in Freezing Point: 12 Kelvin --> 12 Kelvin No Conversion Required
Cryoscopic Constant: 6.65 Kelvin Kilogram per Mole --> 6.65 Kelvin Kilogram per Mole No Conversion Required
Van't Hoff Factor: 1.008 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
m = ΔTf/(kf*i) --> 12/(6.65*1.008)
Evaluating ... ...
m = 1.79018976011457
STEP 3: Convert Result to Output's Unit
1.79018976011457 Mole per Kilogram --> No Conversion Required
FINAL ANSWER
1.79018976011457 1.79019 Mole per Kilogram <-- Molality
(Calculation completed in 00.020 seconds)

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23 Depression in Freezing Point Calculators

Depression in Freezing Point given Vapour Pressure
Go 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 given Elevation in Boiling Point
Go Depression in Freezing Point = (Molar Enthalpy of Vaporization*Elevation in Boiling Point*(Solvent Freezing Point^2))/(Molar Enthalpy of Fusion*(Solvent Boiling Point^2))
Relative Lowering of Vapour Pressure given Depression in Freezing Point
Go Relative Lowering of Vapour Pressure = (Molar Enthalpy of Fusion*Depression in Freezing Point)/([R]*Solvent Freezing Point*Solvent Freezing Point)
Molar Enthalpy of Fusion given Freezing point of solvent
Go Molar Enthalpy of Fusion = ([R]*Solvent Freezing Point*Solvent Freezing Point*Molar Mass of Solvent)/(1000*Cryoscopic Constant)
Cryoscopic Constant given Molar Enthalpy of Fusion
Go Cryoscopic Constant = ([R]*Solvent Freezing Point*Solvent Freezing Point*Molar Mass of Solvent)/(1000*Molar Enthalpy of Fusion)
Molar Mass of Solvent given Cryoscopic Constant
Go Molar Mass of Solvent = (Cryoscopic Constant*1000*Molar Enthalpy of Fusion)/([R]*Solvent Freezing Point*Solvent Freezing Point)
Depression in Freezing Point given Osmotic Pressure
Go Depression in Freezing Point = (Osmotic Pressure*Molar Volume*(Solvent Freezing Point^2))/(Temperature*Molar Enthalpy of Fusion)
Solvent Freezing Point given Molal Freezing Point Lowering Constant
Go Solvent Freezing Point = sqrt((Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*Molecular Weight))
Freezing Point of Solvent given Cryoscopic Constant and Molar Enthalpy of Fusion
Go Solvent Freezing Point = sqrt((Cryoscopic Constant*1000*Molar Enthalpy of Fusion)/([R]*Molar Mass of Solvent))
Depression in Freezing Point given Relative Lowering of Vapour Pressure
Go Depression in Freezing Point = (Relative Lowering of Vapour Pressure*[R]*(Solvent Freezing Point^2))/Molar Enthalpy of Fusion
Solvent Molecular Weight given Molal Freezing Point Lowering Constant
Go Solvent Molecular Weight = (Molal freezing point constant*Molal Heat of Fusion*1000)/([R]*(Solvent Freezing Point^2))
Molal Freezing Point Lowering Constant
Go Molal freezing point constant = ([R]*(Solvent Freezing Point^2)*Molecular Weight)/(Molal Heat of Fusion*1000)
Latent Heat of Fusion given Freezing Point of Solvent
Go Latent Heat of Fusion = ([R]*Solvent Freezing Point*Solvent Freezing Point)/(1000*Cryoscopic Constant)
Freezing Point of Solvent given Cryoscopic Constant and Latent Heat of Fusion
Go Solvent Freezing Point = sqrt((Cryoscopic Constant*1000*Latent Heat of Fusion)/[R])
Cryoscopic Constant given Latent Heat of Fusion
Go Cryoscopic Constant = ([R]*Solvent Freezing Point for Cryoscopic Constant^2)/(1000*Latent Heat of Fusion)
Van't Hoff Factor of Electrolyte given Depression in Freezing Point
Go Van't Hoff Factor = Depression in Freezing Point/(Cryoscopic Constant*Molality)
Cryoscopic Constant given Depression in Freezing Point
Go Cryoscopic Constant = Depression in Freezing Point/(Van't Hoff Factor*Molality)
Molality given Depression in Freezing Point
Go Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor)
Van't Hoff equation for Depression in Freezing Point of electrolyte
Go Depression in Freezing Point = Van't Hoff Factor*Cryoscopic Constant*Molality
Molal Freezing Point Constant given Freezing Point Depression
Go Molal freezing point constant = Depression in Freezing Point/Molality
Molality given Freezing Point Depression
Go Molality = Depression in Freezing Point/Molal freezing point constant
Depression in Freezing Point of Solvent
Go Depression in Freezing Point = Cryoscopic Constant*Molality
Freezing Point Depression
Go Depression in Freezing Point = Cryoscopic Constant*Molality

Molality given Depression in Freezing Point Formula

Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor)
m = ΔTf/(kf*i)

What is meant by depression in freezing point?

Freezing point depression is the phenomena that describes why adding a solute to a solvent results in the lowering of the freezing point of the solvent. When a substance starts to freeze, the molecules slow down due to the decreases in temperature, and the intermolecular forces start to take over.

How to Calculate Molality given Depression in Freezing Point?

Molality given Depression in Freezing Point calculator uses Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor) to calculate 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 calculate Molality given Depression in Freezing Point using this online calculator? To use this online calculator for Molality given Depression in Freezing Point, enter Depression in Freezing Point (ΔTf), Cryoscopic Constant (kf) & Van't Hoff Factor (i) and hit the calculate button. Here is how the Molality given Depression in Freezing Point calculation can be explained with given input values -> 6.424588 = 12/(6.65*1.008).

FAQ

What is Molality given Depression in Freezing Point?
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 and is represented as m = ΔTf/(kf*i) or Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor). 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, The Cryoscopic Constant is described as the freezing point depression when a mole of non-volatile solute is dissolved in one kg of solvent & A Van't Hoff Factor is the ratio of observed colligative property to theoretical colligative property.
How to calculate Molality given Depression in Freezing Point?
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 is calculated using Molality = Depression in Freezing Point/(Cryoscopic Constant*Van't Hoff Factor). To calculate Molality given Depression in Freezing Point, you need Depression in Freezing Point (ΔTf), Cryoscopic Constant (kf) & Van't Hoff Factor (i). With our tool, you need to enter the respective value for Depression in Freezing Point, Cryoscopic Constant & Van't Hoff Factor and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Molality?
In this formula, Molality uses Depression in Freezing Point, Cryoscopic Constant & Van't Hoff Factor. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Molality = Depression in Freezing Point/Molal freezing point constant
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