Chemistry Formula
Molality Formula Formula
Calculates solution concentration using moles of solute per kilogram of solvent.
Formula Summary
Molality Formula
Calculates solution concentration using moles of solute per kilogram of solvent.
- Category
- Chemistry
- Equation
- m = n / kg
- Calculator
- Use Molality Formula Calculator →
Equation
m = n / kg
Variables
- m = molality
- n = moles of solute
- kg = kilograms of solvent
Units
- Molality: moles per kilogram (mol/kg or m)
- Amount of Solute: moles (mol)
- Solvent Mass: kilograms (kg)
When To Use This Formula
Use this formula when calculating solution concentration based on the amount of solute and the mass of solvent, especially when temperature changes may affect volume.
Rearranged Equations
- n = m × kg
- kg = n / m
How to Use This Formula
- Identify the known values from the problem statement.
- Convert all values into compatible units.
- Substitute the values into the equation and calculate the result.
- Check that the final answer has the correct unit and meaning.