Answer : The number of moles of phosphorous are 194 moles.
Explanation : Given,
Moles of
= 48.5 moles
By the stoichiometry in
, there are 4 moles of phosphorus and 10 moles of oxygen.
As, 1 mole of
contains 4 moles of phosphorous
So, 48.5 moles of
contains
moles of phosphorous
Therefore, the number of moles of phosphorous are 194 moles.