Question

what volume of oxygen is needed to react to complete reaction and to form 5cm of so3?

Answer 1

2SO2+O2=>2SO3 From the equ,1Cm3 of O2 formed 2Cm3 of 2SO3.Therefore, 5Cm3 will be formed by 5 X 1/2=2.5Cm3 of SO3.

Answer 2

Of O2

Answer 3

5Cm3 Of SO3 will be formed by 2.5Cm3 O2.