Why are colligative properties different when a volatile solute is used?

the evaporation of the solute increases the vapor pressure. The increased vapor pressure prevents the solute from elevating the boiling point or depressing the freezing point of the solvent.

Explanation:

i am going to put the answers in order i dint feel like typing it out so yeah

a

d

c

b

b

b

a

d

a

b

c

c

c

b

d

"the periodic table is arranged in order of atomic number."