Three identical closed containers are filled with gases at the same temperature. Container A is filled with 64 g of oxygen, container B is filled with 84 g of nitrogen, and container C is filled with 8 g of hydrogen. Which is the correct ranking of the pressures in the containers?
a) PA>PB>PC
b) PA>PC>PB
c) PA<PC<PB
d) PA<PB<PC
e) PA=PB>PC