Question

6.40 litres of air contains 5.00 litres of nitrogen and 1.34 litres of oxygen .

Work out the percentage of air that is :
a. nitrogen b. oxygen c. other gases

Answer 1

5/6.40 Nitrogen = 78% or 0.78125
1.34/6.40 Oxygen = 21% or 0.209375
0.06/6.40 Other = 1% or 0.009375