Question

What is the mass of 0.5 moles of ammonia, NH3?

Answer 1

Mass = 8.5 g

Step-by-step explanation:

Given data:

Mass of ammonia = ?

Number of moles = 0.5 mol

Solution:

Formula:

Mass = number of moles × molar mass

Molar mass of ammonia = 17 g/mol

By putting values,

Mass = 0.5 mol × 17 g/mol

Mass = 8.5 g