Question

Na + __CI2 → _NaCl
How many moles of Cl2 needed to make 2.5 moles NaCl?

Answer 1

1.25 moles

Step-by-step explanation:

You have 2.5 moles of Cl on product side and you need to make that equal on the reactant side. You can see it is Cl2 so you need to half 2.5 by 2 so both sides are equal. 2.5/2=1.25