Question

10 litres of CH4 burner in air. then calculate the required volume of air at stp if air contains 20% oxygen by volume.

Answer 1

Answer:

Required volume of air = 100ltr

Explanation:

CH4+2O2 -----> CO2 +2H2O

For the combustion.....

1 ltr CH4 required 2 ltr O2

for 10 ltr CH4 require s O2= 10×2 =20ltr

air contains 20% oxygen

that is 100 ltr air contains 20 ltr Oxygen

so required air is 100 ltr