The density of NO2 in a 4.77 L tank at 738.4 torr and 45.0 C is ...

[cnetterville]

The density of NO2 in a 4.77 L tank at 738.4 torr and 45.0 C is ________ g/L.
 
  A) 1.71
  B) 1300
  C) 12.1
  D) 0.0169
  E) 8.17

Question 2

A solution is prepared by dissolving 0.60 g of nicotine (a nonelectrolyte) in water to make 12 mL of solution. The osmotic pressure of the solution is 7.55 atm at 25 C. The molecular weight of nicotine is ________ g/mol.
 
  A) 28
  B) 43
  C) 50
  D) 160
  E) 0.60

[yuyiding]

Answer to Question 1

A

Answer to Question 2

D

[cnetterville]

Excellent

[fatboyy09]

TYSM