What is the volume of 3.5 moles of oxygen gas (O₂) at standard temperature and pressure (STP)?

Approximately how many moles of Kr⁺ are contained in the laser tube at 0°C and 1 atm?

What is the density of xe gas at stp

Use the molar volume of a gas at STP to calculate the density (in g/l) of nitrogen gas at STP.

At STP, what is the volume occupied by 33.5 g of argon gas?

Which statement is true at STP? (The atomic mass of Zn is 65.39 u.)

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

What is the volume occupied by 51.0 g of ammonia (NH₃) gas at STP?

2.00 g of an unknown gas at stp fills a 500 mL flask. What is the molar mass of the gas?