Question

How many grams of hydrogen gas are needed to produce 10 000.0 g of ammonia

Answer 1

N2 + 3H2 → 2NH3

Calculate moles of NH3 in 10000.0g

$Moles=\frac{10000.0}{17.031}=571.16moles$

Moles of hydrogen $=\frac{3}{2}×571.16=856.74moles$

Mass of hydrogen $=856.74×1.00784=863.46grams$