Chemistry Questions-Please show all steps to get the answer

***Please show your work for each step how to arrive at the answer***



1. What mass of sucrose (C12H22O11) would you combine with 5.00 x 10 square grams of water to make a solution with an osmotic pressure of 8.55atm at 298 K? (Assume aa density of 1.0 g/mL for the solution).


2. Calculate the freezing point and boiling points

a.  10.5g FeCl3 in 1.50 x 10 square grams water

b. 3.5% KCl by mass (in water)

c. 0.150 m MgF2