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Phosphine, an Extremely Poisonous and Highly Reactive Gas, Will React

Question 12

Multiple Choice

Phosphine, an extremely poisonous and highly reactive gas, will react with oxygen to form tetraphosphorus decaoxide and water. PH3(g) + O2(g) P4O10(s) + H2O(g) [unbalanced]
Calculate the mass of P4O10(s) formed when 225 g of PH3 reacts with excess oxygen.


A) 1880 g
B) 940. g
C) 900. g
D) 470 g
E) 56.3 g

Correct Answer:

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