Question

How many moles of Aluminium Bromide is fromed from 4.0 moles of Aluminium in equation: 2Al + 3 Br2 = 2 AlBr3?

Answer 1

Use the coefficients to convert anything you have in the equation to anything you want in the equation.

mols AlBr3 = 4.0 mol Al x (2 mols AlBr3/2 mol Al) = 4.0 x 2/2 = 4.0 x 1 = 4.0 mols AlBr3 formed.

Answer 2

please explain