Question

when 80 gm of CH4 is burnt completely, CO and CO2 gases are formed in 1:4 mole ratio. what is the mass of O2 used in combustion​

Answer 1

Answer:

CH4 + O2 gives CO + CO2 and h is burnt

2 moles of oxygen are used

mass of is 2×avogadro's no

Answer 2

Answer:

80gm

mole 80/16=5

5mole

ch4-----2o2

1----2

5mole ---------10 mole o2

mole =given mass /molecular mass

10= given mass /32

mass is 320