The reaction of NH3 and O2 forms NO and water. The NO can be used to convert P4 to P4O6, forming N2 in the process. The P4O6 can be treated with water to form H3PO3, which forms PH3 and H3PO4 when heated. Find the mass of PH3 that forms from the reaction of 1.95 g NH3.

Answer : The mass of produced from the reaction is, 0.651 grams.

Explanation :

The chemical reactions used are:

(1)

(2)

(3)

(4)

First we have to calculate the moles of

Molar mass of = 17 g/mol

Now we have to calculate the moles of

From the balanced chemical reaction 1, we conclude that:

As, 4 moles of react to give 4 moles of

So, 0.115 moles of react to give 0.115 moles of

Now we have to calculate the moles of

From the balanced chemical reaction 2, we conclude that:

As, 6 moles of react to give 1 moles of

So, 0.115 moles of react to give moles of

Now we have to calculate the moles of

From the balanced chemical reaction 3, we conclude that:

As, 1 moles of react to give 4 moles of

So, 0.0192 moles of react to give moles of

Now we have to calculate the moles of

From the balanced chemical reaction 4, we conclude that:

As, 4 moles of react to give 1 moles of

So, 0.0768 moles of react to give moles of

Now we have to calculate the mass of

Molar mass of = 33.9 g/mole

Therefore, the mass of produced from the reaction is, 0.651 grams.

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