Coulomb's Law problem: Force of attraction between the two singly charged ions

[Special One]

Homework Statement

Force

Relevant Equations

Coulomb's Law

In a salt crystal, the distance between adjacent sodium and chloride ions is 2.82×10^−10m. What is the force of attraction between the two singly charged ions?

 

[BvU]

Do you want us to check your math ?

 

[Special One]

Do you want us to check your math ?

Lol, of course I just want you to check if I made any mistakes. I have found different answers on the internet of the same problem.

 

[BvU]

So, you can do the checking yourself. You have all you need to do it. The internet is notoriously unreliable. Note that PF is also on the internet