Answer to Question #119870 in General Chemistry for mia

Question

For the reaction Cl2 (g) + H2 (g) → 2 HCl (g), if 2.25 L H2 reacts, what volume of HCl (g) forms if both are at the same temperature and pressure

Answer 1

Ideal gas law:

P₁V₁=n₁RT₁

P₂V₂=n₂RT₂

P₁ = P₂ = constant;

T₁ = T₂ = constant;

R = constant;

n₁/n₂ = V₁/V₂

1/2 = 2.25/V₂

V₂ = 4.5 L

Answer: 4.5 L