Question

how many moles are in 1.2 x 10 ^ 3 grams of ammonia

Answer 1

Molar mass ammonia:

NH₃ = 17.031 g/mol

$n = \frac{m}{M}$

$n = \frac{1.2*10^3 g}{17.031 g/mol}$

$n = 70.459$ moles

hope this helps!