Equation to use

Question

Al + Cl2 -> AlCl3

You have 8.6 moles of aluminum, how much in moles of chlorine do you need to react completely?

Desperate. Trying to teach daughter on the spectrum and I'm stumped on how to start.

Answer 1

First, balance the equation:

2Al + 3Cl2 -> 2AlCl3

So, you need 3/2 as many moles of Cl2 as you do Al.