Question

A cylinder which has the capacity of 8 litrs contains a mixture of oxygen and nitrogen the volume of oxygen in the cylinder is 16% of the total volume. A few of the mixture is released and an equal volume of nitrogen is added. Then the same amount of mixture as before is released and replaced by nitrogen for the second time. As a result of the oxygen content becomes 9% of the total volume. Find the amount of mixture released each time.

Answer 1

yaar bola to 3.7% gas relese every time

Answer 2

Answer:

Step-by-step explanation:

Let each time y amount of mixture releases

8(1-y/8)²/8 =0.09/0.16

(1-y/8)² = (3/4)²

y/8 = 1/4

y = 2 litres