How many moles of hydrogen is required to produced 20 moles of ammonia ?

Explanation

`3H_(2)+N_(2) to 2NH_(3)`
As per stoichiometric equation, No. of moles of hydrogen required for 2 moles of ammonia = 3 moles
No. of moles of hydrogen required for 20 moles of ammonia = `(3)/(2)xx20 = 30` moles.