JEE Main Chemistry question
The percentage by volume of oxygen gas in dry air is %.
Answer: 21
Solution
Dry air is composed of approximately 21% oxygen by volume (with nitrogen making up about 78% and argon and other trace gases the remainder).
The percentage by volume of oxygen gas in dry air is %.
Dry air is composed of approximately 21% oxygen by volume (with nitrogen making up about 78% and argon and other trace gases the remainder).