Question

The mass of 10 moles of ${\text{NH}}_3$ is 170 g.

• A. True
• B. False

Answer 1

The correct option is A

True

Let the weight of 10 moles ${\text{NH}}_3$ be x.
Molecular mass of ammonia = Mass of one mole = 18 g

$\therefore$ The mass of 10 moles of ammonia (x) = 10 $\times$17 = 170 g