54) Which of the following solution has the highest vapour pressure?

a) 20.0 g of sucrose (C12H22O11) in 100ml of water.

b) 20.0 g of glucose (c6H12O6) in 100ml of water.

c) 10.0 g of potassium cloride (KCI) in 100ml of water.

d) 10.0 g of potassium acetate (KC2H3O2) in 100ml of water.

e) none of the above, the vapour pressure are equal

53) An aqueous solution is made with 72.5 g KNO3 diluted to a total volume of 2.00L. Calculate the mass percent of the solution. (Assume solution density = 1.05 g ml^-1.)

a) 0.717%

b) 3.45%

c) 3.63%

d) 3.54%

e) 0.725%