Environmental Chemistry
A solution of ammonia is made by dissolving 35.0 g of Na,SOin 200.0 g of H20. The density of the solution is 1.19 g/mL. Keep the correct number of significant figures.
a) (6 pts) What is the molality of NaSO4?
b) (6 pts) What is the molarity of Na2SO4?
c) (6 pts) What is mole fraction of H2O? Consider Na2SO4 is an electrolyte.
d) (4 pts) What is the vapor pressure of the solution at 25 °C?
e) (6 pts) What is the freezing point of the solution?
f) (4 pts) What is the osmosis pressure of this solution?
Data for H20 Data for Na2SO4
Molar Mass 18.015 g/mol
Freezing Point Depression Constant (KP) 0.00 °C
Freezing Point 0.00 °C
Boiling Point Elevation Constant (KB) 0.512°C
Boiling Point 0.512 °C/m 100.00 °C
Pure Vapor Pressure at 25°C 23.8 torr. Get Argumentative Essay Writing help now
