Hydrogen chloride gas and oxygen react to form water vapor and chlorine gas. what volume of chlorine would be produced by this reaction if of hydrogen chloride were consumed? also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits.

Reaction of O₂ with HCl is as follow,

                                 4 HCl  +  O₂    →    2 H₂O  +  2 Cl₂

Let suppose we are given with 1 mole of HCl gas, Then,
According to eq,

  89.6 L (4 moles) of HCl when reacted produced  = 44.8 L (2 moles) Cl₂ gas
 
So,
                      22.4 L (1 mole) of HCl will produce  =  X L of Cl₂ gas

Solving for X,
                              X  =  (22.4 L × 44.8 L) ÷ 89.6 L

                              X  =  11.2 L of Cl₂ Gas

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