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Phosphine, PH3, a Reactive and Poisonous Compound, Reacts with Oxygen

Question 86

Multiple Choice

Phosphine, PH3, a reactive and poisonous compound, reacts with oxygen as follows: 4PH3(g) + 8O2(g) → P4O10(s) + 6H2O(g) If 15.0 g of phosphine reacts with sufficient oxygen, how many grams of P4O10 will be formed?


A) 125 g
B) 31.3 g
C) 5.00 x 102 g
D) 18.9 g
E) 75.7 g

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