Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
as a percentage of what
if its out of 8 then percentage is 90 if its out of 10 then percentage is 72
9 in a percentage = 900%
112 as a percentage = 11200%
Venus has virtually no oxygen. However there is a very, very small percentage.
not your business
Yes
No, it is not.
Molar mass of all oxygen in compound/Total molar mass of compound * 100 = % oxygen in compound ==================
No, it is an element.
helium
gas
oxgyen
Hemoglobin.....
It needs it to breathe.
capillary