What is the maximum amount in moles of p2o5 that can theoretically be made from 186 g of p4 and excess oxygen?

Answer : The maximum amount in moles of is, 3 moles

Solution : Given,

Mass of = 186 g

Molar mass of = 123.88 g/mole

First we have to calculate the moles of .

Now we have to calculate the moles of .

The balanced chemical reaction will be,

From the balanced reaction, we conclude that

As, 1 mole of react to give 2 moles of

So, 1.50 moles of react to give of

Therefore, the maximum amount in moles of is, 3 moles

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