Question

How many grams NH3 are produced when you have 2.75 grams of N2

Answer 1

N$_{2(g)}+$ 3H$_{2(g)}\to$ 2NH$_{3(g)}$

Mole ratio N$_2:$ NH$_3=1:2$

Molar mass of N$_2=28.0134g/mol$

Molar mass of NH$_3=17.031g/mol$

$\therefore$ grams of NH$_3$

$\frac{2.75}{28.0134}×2×17.031=3.344g$