Question

If the atomic weight of nitrogen is 14.01, what is the mass of the nitrogen atoms in one mole of cadmium nitrate, Cd(NO3)2?

Answer 1

Answer:

In one molecule of cadmium nitrate there are two atoms of nitrogen.

(work out the brackets, as in maths, and it'll be  C d N 2 O 6 )

Explanation:

So in one mole of cadmium nitrate there are two moles of nitrogen.

The mass the nitrogen is thus  2 × 14.01 = 28.02 g