In another experiment, if 80 xo3 molecules react with 104 brz3 molecules how many br2 molecules will be produced which reactant will be used up in the reaction

This is an incomplete question, here is a complete question.

The balanced chemical reaction is:

In another experiment, if 80 molecules react with 104 molecules. How many molecules will be produced which reactant will be used up in the reaction.

Answer : The number of molecules of  will be, 52 molecules and reactant will be used up in the reaction because it is a limiting reagent and it limits the formation of product.

Explanation :

The balanced chemical reaction is:

First we have to determine the limiting reagent.

From the balanced reaction we conclude that,

As, 8 molecules of react with 6 molecule of

So, 104 molecules of react with molecule of

From this we conclude that, is an excess reagent because the given moles are greater than the required moles and is a limiting reagent and it limits the formation of product.

Now we have to calculate the molecules of

From the reaction, we conclude that

As, 8 molecules of react to give 4 molecules of

So, 104 molecules of react to give molecules of

Hence, the number of molecules of  will be, 52 molecules and reactant will be used up in the reaction because it is a limiting reagent and it limits the formation of product.

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