Question

Which gas occupies the highest volume at STP?

0.02 mol of O2
0.1 mol of Cl2
1 mol of N2
2 mol of H2

Answer 1

2 mol of H2

Step-by-step explanation:

Answer 2

STP signifies standard temperature and pressure. This conditions are at 1 atmospheric pressure and 0 degrees Celsius. It has been said that at these conditions, one mole of a gas molecule is equivalent to 22.4 liters of volume. Therefore, the correct answer is the last option which is 2 mol of H2.