Question

1Calculate the freezing point and boiling point of a solution containing 8.00 g of ethylene glycol (C2H6O2)in 92.1 mL of ethanol. Ethanol has a density of 0.789g/cm3.

a. Calculate the freezing point of the solution.

b. Calculate the boiling point of the solution.

2. An aqueous solution containing 18.7 g of an unknown molecular (nonelectrolyte) compound in 104.0 g of water was found to have a freezing point of -1.7 ∘C.

Calculate the molar mass of the unknown compound.

____________________________________ g/mol

Answer 1

Answer :-

To calculate the freezing point and boiling point of the given solution first molality of the solution is calculated then boiling point and freezing point aee calculated.

The answer is given in the image,