The Reaction of 100 ML of Cl₂ Gas with 100

The reaction of 100 mL of Cl₂ gas with 100 mL of CH₄ gas via the equation: Cl₂ (g) + CH₄ (g) → HCl (g) + CH₃Cl (g)
Will produce a total of ________ mL of products if pressure and temperature are kept constant.

A) 100
B) 50
C) 200
D) 150
E) 250