Determine the number of moles in 3.13 × 10²³ formula units of MgCl₂.

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

We have the final answer as

Hope this helps you

2b2t

explanation:

2b2t

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).