Question

By volume, dry air contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. How much oxygen is present in a room of size 4m* 5m* 3m. ​

Answer 1

Answer:

The room contains 6% of oxygen gas

Step-by-step explanation:

by adding we get,

78.08

20.95

00.93

00.04

+1.00

100.00

so ,

4×3×5

60

100÷60

6