Molality given Boiling Point Elevation and Constant Solution

STEP 0: Pre-Calculation Summary
Formula Used
Molality = Boiling Point Elevation/Molal Boiling Point Elevation Constant
m = ΔTb/Kb
This formula uses 3 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.
Boiling Point Elevation - (Measured in Kelvin) - Boiling point elevation refers to the increase in the boiling point of a solvent upon the addition of a solute.
Molal Boiling Point Elevation Constant - Molal Boiling Point Elevation Constant is the constant of elevation in boiling point of solute and has a specific value depending on the identity of the solvent.
STEP 1: Convert Input(s) to Base Unit
Boiling Point Elevation: 0.99 Kelvin --> 0.99 Kelvin No Conversion Required
Molal Boiling Point Elevation Constant: 0.51 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
m = ΔTb/Kb --> 0.99/0.51
Evaluating ... ...
m = 1.94117647058824
STEP 3: Convert Result to Output's Unit
1.94117647058824 Mole per Kilogram --> No Conversion Required
FINAL ANSWER
1.94117647058824 1.941176 Mole per Kilogram <-- Molality
(Calculation completed in 00.004 seconds)

Credits

Created by Keshav Vyas
Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat
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Verified by Mayank Tayal
National Institute of Technology (NIT), Durgapur
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24 Elevation in Boiling Point Calculators

Elevation in Boiling Point given Vapour Pressure
Go Boiling Point Elevation = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*[R]*(Solvent Boiling Point^2))/(Molar Enthalpy of Vaporization*Vapour Pressure of Pure Solvent)
Elevation in Boiling Point given Depression in Freezing Point
Go Boiling Point Elevation = (Molar Enthalpy of Fusion*Depression in Freezing Point*(Solvent Boiling Point^2))/(Molar Enthalpy of Vaporization*(Solvent Freezing Point^2))
Relative Lowering of Vapour Pressure given Elevation in Boiling Point
Go Relative Lowering of Vapour Pressure = (Molar Enthalpy of Vaporization*Boiling Point Elevation)/([R]*Solvent Boiling Point*Solvent Boiling Point)
Ebullioscopic Constant using Molar Enthalpy of Vaporization
Go Ebullioscopic Constant of Solvent = ([R]*Solvent Boiling Point*Solvent Boiling Point*Molar Mass of Solvent)/(1000*Molar Enthalpy of Vaporization)
Boiling point of Solvent given Ebullioscopic Constant and Molar Enthalpy of Vaporization
Go Solvent Boiling Point = sqrt((Ebullioscopic Constant of Solvent*1000*Molar Enthalpy of Vaporization)/([R]*Molar Mass of Solvent))
Elevation in Boiling Point given Osmotic Pressure
Go Boiling Point Elevation = (Osmotic Pressure*Molar Volume*(Solvent Boiling Point^2))/(Temperature*Molar Enthalpy of Vaporization)
Osmotic Pressure given Elevation in Boiling Point
Go Osmotic Pressure = (Molar Enthalpy of Vaporization*Boiling Point Elevation*Temperature)/((Solvent Boiling Point^2)*Molar Volume)
Solvent Boiling Point in Boiling Point Elevation
Go Solvent Boiling Point = sqrt((Molal Boiling Point Elevation Constant*Molal Heat of Vaporization*1000)/([R]*Molecular Weight))
Molar Enthalpy of Vaporization given Boiling Point of Solvent
Go Molar Enthalpy of Vaporization = ([R]*(Solvent Boiling Point^2)*Molar Mass of Solvent)/(1000*Ebullioscopic Constant of Solvent)
Molar Mass of Solvent given Ebullioscopic Constant
Go Molar Mass of Solvent = (1000*Ebullioscopic Constant of Solvent*Molar Enthalpy of Vaporization)/([R]*(Solvent Boiling Point^2))
Elevation in Boiling Point given Relative Lowering of Vapour Pressure
Go Boiling Point Elevation = (Relative Lowering of Vapour Pressure*[R]*(Solvent Boiling Point^2))/Molar Enthalpy of Vaporization
Solvent Molecular Weight in Boiling Point Elevation
Go Molecular Weight = (Molal Boiling Point Elevation Constant*Molal Heat of Vaporization*1000)/([R]*(Solvent Boiling Point^2))
Latent Heat of Vaporization given Boiling point of solvent
Go Latent Heat of Vaporization = ([R]*Solvent Boiling Point*Solvent Boiling Point)/(1000*Ebullioscopic Constant of Solvent)
Boiling point of Solvent given Ebullioscopic Constant and Latent Heat of Vaporization
Go Solvent Boiling Point = sqrt((Ebullioscopic Constant of Solvent*1000*Latent Heat of Vaporization)/[R])
Ebullioscopic Constant using Latent Heat of Vaporization
Go Ebullioscopic Constant of Solvent = ([R]*Solvent BP given Latent Heat of Vaporization^2)/(1000*Latent Heat of Vaporization)
Molal Boiling Point Elevation Constant given Ideal Gas Constant
Go Molal Boiling Point Elevation Constant = (Universal Gas Constant*(Boiling Point of Solvent)^2*Molecular Weight)/(1000)
Van't Hoff Factor of Electrolyte given Elevation in Boiling Point
Go Van't Hoff Factor = Boiling Point Elevation/(Ebullioscopic Constant of Solvent*Molality)
Ebullioscopic Constant given Elevation in Boiling Point
Go Ebullioscopic Constant of Solvent = Boiling Point Elevation/(Van't Hoff Factor*Molality)
Molality given Elevation in Boiling Point
Go Molality = Boiling Point Elevation/(Van't Hoff Factor*Ebullioscopic Constant of Solvent)
Van't Hoff Equation for Elevation in Boiling Point of Electrolyte
Go Boiling Point Elevation = Van't Hoff Factor*Ebullioscopic Constant of Solvent*Molality
Molal Boiling Point Elevation Constant given Boiling Point Elevation
Go Molal Boiling Point Elevation Constant = Boiling Point Elevation/Molality
Molality given Boiling Point Elevation and Constant
Go Molality = Boiling Point Elevation/Molal Boiling Point Elevation Constant
Boiling Point Elevation
Go Boiling Point Elevation = Molal Boiling Point Elevation Constant*Molality
Elevation in Boiling Point of Solvent
Go Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality

Molality given Boiling Point Elevation and Constant Formula

Molality = Boiling Point Elevation/Molal Boiling Point Elevation Constant
m = ΔTb/Kb

What is the SI unit of Molality?

The SI unit for molality is mol/kg. A solution with a molality of 3 mol/kg is often described as “3 molal” or “3 m.” However, following the SI system of units, mol/kg or a related SI unit is now preferred.

How to Calculate Molality given Boiling Point Elevation and Constant?

Molality given Boiling Point Elevation and Constant calculator uses Molality = Boiling Point Elevation/Molal Boiling Point Elevation Constant to calculate the Molality, The Molality given Boiling Point Elevation and Constant is defined as a property of a solution and is defined as the number of moles of solute per kilogram of solvent. Molality is denoted by m symbol.

How to calculate Molality given Boiling Point Elevation and Constant using this online calculator? To use this online calculator for Molality given Boiling Point Elevation and Constant, enter Boiling Point Elevation (ΔTb) & Molal Boiling Point Elevation Constant (Kb) and hit the calculate button. Here is how the Molality given Boiling Point Elevation and Constant calculation can be explained with given input values -> -533.647059 = 0.99/0.51.

FAQ

What is Molality given Boiling Point Elevation and Constant?
The Molality given Boiling Point Elevation and Constant is defined as a property of a solution and is defined as the number of moles of solute per kilogram of solvent and is represented as m = ΔTb/Kb or Molality = Boiling Point Elevation/Molal Boiling Point Elevation Constant. Boiling point elevation refers to the increase in the boiling point of a solvent upon the addition of a solute & Molal Boiling Point Elevation Constant is the constant of elevation in boiling point of solute and has a specific value depending on the identity of the solvent.
How to calculate Molality given Boiling Point Elevation and Constant?
The Molality given Boiling Point Elevation and Constant is defined as a property of a solution and is defined as the number of moles of solute per kilogram of solvent is calculated using Molality = Boiling Point Elevation/Molal Boiling Point Elevation Constant. To calculate Molality given Boiling Point Elevation and Constant, you need Boiling Point Elevation (ΔTb) & Molal Boiling Point Elevation Constant (Kb). With our tool, you need to enter the respective value for Boiling Point Elevation & Molal Boiling Point Elevation Constant 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 Boiling Point Elevation & Molal Boiling Point Elevation Constant. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Molality = Boiling Point Elevation/(Van't Hoff Factor*Ebullioscopic Constant of Solvent)
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