H2(g) + Cl2(g) ⟶ 2HCl(g)
If 3.7 liters of Cl2 are used for this reaction, how much HCl will be formed? Assume there are enough reactants to complete the reaction and assume the reaction occurs at STP.


Answer :

The volume of hydrochloric acid, HCl produced from the reaction when 3.7 L of Cl₂ are used is 7.4 L

Balanced equation

H₂ + Cl₂ —> 2HCl

Since the reaction occurs at standard temperature and pressure (STP), we can say that:

From the balanced equation above,

1 L of Cl₂ reacted to produce 2 L of HCl

How to determine the volume of HCl produced

From the balanced equation above,

1 L of Cl₂ reacted to produce 2 L of HCl

Therefore,

3.7 L of Cl₂ will react to produce = 3.7 × 2 = 7.4 L of HCl

Thus, the volume of HCl produced from the reaction is 7.4 L

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