Reaction 1a

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The following figure shows a sample containing molecules of Cl₂ (green) and H₂ (white).

 

 

These molecules may react according to the following reaction: H₂(g) + Cl₂(g)→2HCl(g). Select the limiting reagent in this mixture.

 

 

Additional text

 

	Wrong. The stoichiometry of the reaction is 1:1. Check the number of molecules of each kind in the sample.
	Wrong. The stoichiometry of the reaction is 1:1. Check the number of molecules of each kind in the sample.
	Correct. The stoichiometry of the reaction is 1:1. The sample has the same number of molecules of hydrogen and chlorine. The mixture is already in the stoichiometric proportions      .