Answer:
You need 4 moles of HCl to produce two moles of H2
Explanation:
You can simplify mole and 2 mole into 1 and 2
So how many HCl do you need to make H2?
There are one Hydrogen molecule in Hcl And you need 2 to make a H2
And to make two of each you need to multiply 2 by 2 which is 4
So you need 4 moles of HCl to produce two moles of H2
Hope this helps!
