Questions tagged [oxygen]

Questions regarding the 8th chemical element, a main component of the athmosphere and of the crust.

1 question with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
2answers
51 views

How many mole of oxygen gas is there in the atmosphere?

At standard conditions, one liter of air, 0.21 L of oxygen gas, contains 0.0094 moles of $\rm O_2$. What is the total quantity of oxygen gas molecules in the atmosphere?