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

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