Question

How many Mg atoms are in 3.24 moles of Mg?

Answer 1

Answer:

1.95⋅1024 Mg atoms

Explanation:

We must use Avogadro's number: 6.022⋅1023

We set up the problem like this:

3.24 moles Mg⋅ 6.022⋅1023 Mg atoms1 moles Mg

moles Mg cancel

3.24 moles Mg⋅ 6.022⋅1023 Mg atoms1 moles Mg

Then we just compute

3.24⋅6.022⋅1023 Mg atoms1

=1.95⋅1024 Mg atoms