Electrons have less mass than a neutron.
Take the molality and multiply it by the Kb
0.75 × 0.52 = 0.39 C
then add the boiling pt to the 0.39
100 + 0.39 = 100.39 C
Buoyancy is considered a physical property. It is a type of physical property because it is related to the density and weight of the item, which are both physical.
A sorry if it’s wrong good luck