Molality Calculator
The molal concentration: moles of solute per kilogram of solvent.
Result
Molality (mol/kg)
0.5000
How it works
Molality = moles ÷ kg of solvent
Molality (m) divides moles of solute by the mass of solvent in kilograms. Unlike molarity it does not change with temperature, since mass does not expand.
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Frequently asked questions
Why use molality?
It is temperature-independent, useful for boiling-point and freezing-point calculations.
Molality vs molarity?
Molality uses kilograms of solvent; molarity uses litres of solution.
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