Write the equation for the reaction of phosphorus combustion.
September 27, 2021
Write the equation for the reaction of phosphorus combustion. Determine the mass of oxygen that has reacted if it is known that 35.5 g of phosphorus (V) oxide was obtained.
m (P2O5) = 35.5g
m (О2) -?
4P + 5O2 = 2P2O5
n (P2O5) = 35.5 \ 142 = 0.25 mol
m (О2) = m \ M = 32 \ 0.625 = 20g
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