What is the molarity of a solution with 2.1 mol of HCl in 400 mL of water? (M = mol/L)
A.) 0.00525 M
B.) 5.25 M
C.) 190 M
D.) 2.1 M

The molecular weight of carbon dioxide, co2, is 44.00 amu, and the molecular weight of nitrous dioxide, no2, is 46.01 amu, so no2 diffuses co2