MolalityEasyQuestion 750003
Question
Molality (m) is temperature-independent because:
- AIt uses mass (kg) of solvent, not volumeCorrect
- BIt uses moles of solvent
- CIt uses density
- DIt is always 1 mol/kg
Correct answer
It uses mass (kg) of solvent, not volume
Explanation
Molality = moles of solute / mass of solvent in kg. Mass does not change with temperature, so molality is temperature-independent.