7. Gases
Gas Stoichiometry
Multiple Choice
Multiple ChoiceThe oxidation of phosphorus can be represented by the following equation:
P4 (s) + 5 O2 (g) → 2 P2O5 (g)
If 1.85 L of diphosphorus pentoxide form at a temperature of 50.0 ºC and 1.12 atm, what is the mass (in g) of phosphorus that reacted?
A
4.84 g
B
7.02 g
C
10.9 g
D
12.4 g
E
17.7 g
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