A student dissolves 4.5 g of sodium chloride (NaCl) into 75 g of water (H2O). Which of the following statements is correct regarding the resulting solution when it is compared to the pure solvent?

Question

anonymous · Answer

a. Both the vapor pressure and the boiling point will increase.
b. The boiling temperature and the freezing temperature will decrease.
c. The freezing temperature will increase and the vapor pressure will decrease.
d. The vapor pressure will decrease and the boiling temperature will increase.

ookawaiioo · Answer

D

ookawaiioo · Answer

As a general rule, if the boiling pt increase by adding a solute, its vapor pressure would decrease.

anonymous · Answer

if we add a definite amount of solute in solvent elevation in boiling point
occurs and vapor pressure of solution is always less than pure solvent