The boiling point of water would increase by 1°C if 1 mol of NaCl added 1 kg of water.
The addition of solute substances to solvent such as water results in a change in the boiling points and freezing points of the solvents.
The formula to calculate the change in temperature is given below:
ΔT = Kbmi
Where;
m is molality of the solution
Kb and i are constants.
Solving for change in temperature:
m = 1 mol/kg
ΔT = 0.51 * 1 * 2
ΔT = 1°C
The normal boiling point of water is 100°C
The new boiling point of the solution = (100 + 1) = 101 °C
In conclusion, addition of solute to solvent will result in change in the boiling point of the solvent.
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