4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be ………………
A. CO2
B. CO
C. O2
D. SO2
Answer:A
4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be ………………
A. CO2 B. CO C. O2 D. SO2