Elevation in Boiling Point of Solvent Solution

STEP 0: Pre-Calculation Summary
Formula Used
Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality
ΔTb = kb*m
This formula uses 3 Variables
Variables Used
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.
Ebullioscopic Constant of Solvent - (Measured in Kelvin Kilogram per Mole) - The Ebullioscopic Constant of Solvent relates molality to boiling point elevation.
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.
STEP 1: Convert Input(s) to Base Unit
Ebullioscopic Constant of Solvent: 0.512 Kelvin Kilogram per Mole --> 0.512 Kelvin Kilogram per Mole No Conversion Required
Molality: 1.79 Mole per Kilogram --> 1.79 Mole per Kilogram No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ΔTb = kb*m --> 0.512*1.79
Evaluating ... ...
ΔTb = 0.91648
STEP 3: Convert Result to Output's Unit
0.91648 Kelvin --> No Conversion Required
FINAL ANSWER
0.91648 Kelvin <-- Boiling Point Elevation
(Calculation completed in 00.004 seconds)

Credits

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Created by Prerana Bakli
University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA
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Verified by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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Elevation in Boiling Point Calculators

Ebullioscopic Constant using Molar Enthalpy of Vaporization
​ LaTeX ​ Go Ebullioscopic Constant of Solvent = ([R]*Solvent Boiling Point*Solvent Boiling Point*Molar Mass of Solvent)/(1000*Molar Enthalpy of Vaporization)
Ebullioscopic Constant using Latent Heat of Vaporization
​ LaTeX ​ Go Ebullioscopic Constant of Solvent = ([R]*Solvent BP given Latent Heat of Vaporization^2)/(1000*Latent Heat of Vaporization)
Ebullioscopic Constant given Elevation in Boiling Point
​ LaTeX ​ Go Ebullioscopic Constant of Solvent = Boiling Point Elevation/(Van't Hoff Factor*Molality)
Elevation in Boiling Point of Solvent
​ LaTeX ​ Go Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality

Elevation in Boiling Point of Solvent Formula

​LaTeX ​Go
Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality
ΔTb = kb*m

What is Ebullioscopic constant?

Molal elevation constant or ebullioscopic constant is defined as the elevation in boiling point when one mole of non-volatile solute is added to one kilogram of solvent. Ebullioscopic constant is the constant that expresses the amount by which the boiling point of a solvent is raised by a non-dissociating solute. Its units are K Kg mol-1.

How to Calculate Elevation in Boiling Point of Solvent?

Elevation in Boiling Point of Solvent calculator uses Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality to calculate the Boiling Point Elevation, The Elevation in Boiling Point of Solvent describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent. Boiling Point Elevation is denoted by ΔTb symbol.

How to calculate Elevation in Boiling Point of Solvent using this online calculator? To use this online calculator for Elevation in Boiling Point of Solvent, enter Ebullioscopic Constant of Solvent (kb) & Molality (m) and hit the calculate button. Here is how the Elevation in Boiling Point of Solvent calculation can be explained with given input values -> 0.91648 = 0.512*1.79.

FAQ

What is Elevation in Boiling Point of Solvent?
The Elevation in Boiling Point of Solvent describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent and is represented as ΔTb = kb*m or Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality. The Ebullioscopic Constant of Solvent relates molality to boiling point elevation & Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution.
How to calculate Elevation in Boiling Point of Solvent?
The Elevation in Boiling Point of Solvent describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent is calculated using Boiling Point Elevation = Ebullioscopic Constant of Solvent*Molality. To calculate Elevation in Boiling Point of Solvent, you need Ebullioscopic Constant of Solvent (kb) & Molality (m). With our tool, you need to enter the respective value for Ebullioscopic Constant of Solvent & Molality 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 Boiling Point Elevation?
In this formula, Boiling Point Elevation uses Ebullioscopic Constant of Solvent & Molality. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Boiling Point Elevation = Van't Hoff Factor*Ebullioscopic Constant of Solvent*Molality
  • 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)
  • Boiling Point Elevation = (Molar Enthalpy of Fusion*Depression in Freezing Point*(Solvent Boiling Point^2))/(Molar Enthalpy of Vaporization*(Solvent Freezing Point^2))
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