Phosphine, an Extremely Poisonous and Highly Reactive Gas, Reacts with Oxygen

question 56

Multiple Choice

Phosphine, an extremely poisonous and highly reactive gas, reacts with oxygen gas 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

---

Definitions:

Business Combination

A transaction or event in which an acquirer gains control over one or more businesses, typically involving mergers, acquisitions, or consolidations.

Parent-subsidiary

The relationship between two corporations in which one corporation, the parent, owns sufficient voting stock in another corporation, the subsidiary, to control its board of directors.

Economic Entity

A unit in the economy that is capable of control over resources, incurring liabilities, and engaging in business activities.

Combined Financial Statements

Financial statements that present the assets, liabilities, and operating results of two or more affiliated companies as if they were a single economic entity.