Register
What is the percentage of oxygen in air?
68.4k views
5 votes
What is the percentage of oxygen in air?

User Remjx
by
5.1k points

1 Answer

3 votes
21% becuase air is mostly gas.

It’s a mixture of different gases. The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
User Ryan Kempt
by
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.1m questions

6.7m answers

Other Questions

What's the formula for the combined gas law?
The ions Ca2+ and PO43- form salt with the formula
Carnot Cycle. If a boiler's heat source produces 106 Btu/hr at 600F, what is the highest possible rate at which work may be produced? The ambient air is 70F.
HELP, I NEED TO CHECK MY ANSWERS!! what is the mass for a... paperclip, red book, block, pencil, calculator, green blob, penny, quarter, dime, and a nickel?
[01.07]what is the answer to the problem: 101 g + 25.01 g + 5.05 g? 131.06 g 131.1 g 131 g 130 g
Link Copied!