Calculate the mass of Cac12 formed when 5moles of chlorine reacts with chlorine metal?

I think you should read the problem and catch the typo. Or you can go to Damon's solution. Find that here.

https://www.jiskha.com/questions/1826486/calculate-the-mass-of-cacl2-formed-when-5-moles-of-chlorine-reacts-with-calcium-metal