The product of our reaction of 1.96 grams of Mg with HCl contains 0.0806 moles of magnesium and 0.161 moles of chlorine.
The ratio of atoms in the formula is 0.0806 moles Mg : 0.161 moles Cl
What number should we divide by to convert 0.0806 moles of Mg to 1 mole of Mg?
