Molality Calculator

A useful online molality calculator to calculate the molality of solution. Just enter the number of moles of solute and weight of solvent in kilograms and hit calculate button to know its corresponding molality.

Calculate Molality of Solution

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A useful online molality calculator to calculate the molality of solution. Just enter the number of moles of solute and weight of solvent in kilograms and hit calculate button to know its corresponding molality.

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Molality of Solution Formula: According to the formula, just divide the number of moles of solute by weight of solvent in kilograms to determine the molality.

Formula:

M = m / w Where, M = Molality m = Number of Moles of Solute w = Weight of Solvent in kg

Molality: It is the measure of the concentration of a solute in a solution. It is otherwise called as molal concentration. The unit of molality is expressed in moles/kilogram (mol/kg). It is a number of moles of solute per kilograms of solvent. A solution of the concentration of 1 mol/kg is also referred as 1 molal.

You can refer the example problem given below to understand the manual calculation concept. And for quick and reliable calculations of molal concentration, you can try this online molality calculator.

Example

If the number of moles of solute is 8 and weight of solvent is 10 kgs, then
Molality = 8 / 10
= 0.8.


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