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20%
Nitrgopen is 79%
The remaining 1% is made up of Carbon dioxide, Methane, Water vapour, Sulphur dioxide, and collectively the Noble(inert) gases.
What else can I help you with?
Why is oxygen 21 percent and nitrogen 78 percent?
This is the composition of the air.
What is the concentration of oxygen in air exhaled?
There is 13-16% oxygen in expired air but it depends on your size. See the link below.
Which three gases make up over 99.9 percent of the air?
The three gases that make up over 99.9 percent of the air are nitrogen (about 78 percent), oxygen (about 21 percent), and argon (about 0.9 percent).
What gas has a percent of volume of 20.95?
if this is math and your asking what gas has a percent by volume 78.09 it is nitrogen
If air is 20.9 percent oxygen by volume what is the volume of air that contains 225 ml of oxygen?
Divide 225ml by 20.9, then multiply by 100.
What is the percent of oxygen in dry air?
The percent of oxygen in dry air is approximately 21%.
What percent of the outdoor air is nitrogen?
The percentage of nitogen in outdoor air is 78%. 21% is oxygen, and 1% is water vapor, argon, carbon dioxide, and other gases.
What makes up 21 percent of the air by volume?
Oxygen makes up 21 percent of the air by volume.
What in the air that has 20 percent?
oxygen
What makes up 21 percent of the air?
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
What is the amount of oxygen in the atmosphere?
Air is 20.5 percent oxygen.
What is air made out of?
air is made of 19.98 percent oxygen 79 percent nitrogen and 2 percent carbon
How many percent of oxygen does air contain?
Air typically contains about 21% oxygen by volume.
What is the concentration of oxygen in air?
21 percent.
Why is oxygen 21 percent and nitrogen 78 percent?
This is the composition of the air.
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
What is the concentration of oxygen in air exhaled?
There is 13-16% oxygen in expired air but it depends on your size. See the link below.
