Question

How many grams of ammonia is present in its 0.2 mole?

विकल्प

• 5.4 g

• 8.5 g

• 4.5 g

• 3.4 g

Answer 1

3.4 g

Explanation:

Molar Mass of NH₃ = 14 + 3 = 17 g/mol

Mass = Moles × Molar mass

= 0.2 × 17

= 3.4 g