What is the answer

Question

How many liters of oxygen gas are present in 3.061 grams of O,?

Answer 1

Did you mean in 3.061 grams of O₂?

This will depend on the temperature and the pressure. I'll assume STP (standard temperature of 298K and standard pressure of 1 atm).

At STP, 1 mol of any ideal gas = 22.4 L

3.061 g O₂ x 1 mol O₂ / 32 g = 0.09566 moles O₂

0.09566 mols O₂ x 22.4 L / mol = 2.143 L