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Still using the reaction from the video, what is the limiting reagent when 2 moles of Al are reacted
with 2 moles of O₂? About how many total reactions can you run?
O Al, 0.67 reactions
O Al, 0.5 reactions
Oxygen, 0.67 reactions
O Oxygen, 0.5 reactions

Respuesta :

Oseni

The limiting reagent will be Al

What are limiting reagents?

They are reagents that limit the quantity of products that are formed in reactions.

From the equation of the reaction:

[tex]4Al + 3O_2 --- > 2Al_2O_3[/tex]

The mole ratio of Al to O2 is 4:3.

With 2 moles of Al and 2 moles of O2, Al becomes limiting while O2 is in excess.

With 2 moles of O2, the amount of Al required should be:

                          2 x 4/3 = 2.67 moles.

With 2 moles of Al, the amount of O2 required should be:

                    2 x 3/4 = 1.5 moles

Thus, O2 is in excess by 0.5 moles.

More on limiting reagents can be found here: https://brainly.com/question/11848702

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