Two cylinders A and B each contains 30 cm3 of
oxygen and nitrogen respectively at the same temperature and pressure. If there are 5.0 moles of nitrogen, then the mass of oxygen is?
oxygen and nitrogen respectively at the same temperature and pressure. If there are 5.0 moles of nitrogen, then the mass of oxygen is?
-
A.
3.2 g -
B.
6.4 g -
C.
80.0 g -
D.
160.0 g