Answer to Question #109968 in General Chemistry for sdfa

Question

According to the reaction H₂ + Cl₂ → 2HCl the production of 2.0 moles of HCl would require 70. grams of Cl₂. How many grams of H₂ would be needed?

Answer 1

By stoichiometry, you would need 1 mole of H₂ to produce 2.0 moles of HCl

So you would need (1.0 moles)(2.0 g / mole H₂) = 2.0 g