air contains 21% oxygen by volume . find the volume of oxygen in a room of dimensions 4m*5m*3m.
Answers
Answered by
1
Volume of room
= 3 × 5 × 3 = 45m^3
Air in room
= 45 × 21 / 100
= 9.45
Answered by
0
Step-by-step explanation:
Total volume of air in the room = 4*5*3
= 60 Oxygen= 21%
60*21/100
12.6
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