oxygen + oxides Flashcards
1
Q
how much nitrogen is in the air
A
78%
2
Q
how much oxygen is in the air
A
21%
3
Q
how much argon is in the air
A
0.96
4
Q
how much carbon dioxide is in the air
A
0.04%
5
Q
how to measure percentage of oxygen in air
A
by reacting with another element
then taking initial volume of air away from final