Calculate the Number of Moles of O₂ Required to React

question 16

Multiple Choice

Calculate the number of moles of O₂ required to react with phosphorus to produce 5.20 g of P₄O₆.(Molar mass P₄O₆ = 219.9 g/mol)

• A) 0.0236 mol
• B) 0.163 mol
• C) 0.0709 mol
• D) 0.0473 mol
• E) 0.142 mol

---

Definitions:

Break-even Analysis

A calculation that determines when a business or project will be able to cover all its expenses and begin to make a profit.

Fixed Costs

Expenses that do not change with the level of production or sales activities within a certain scale, such as rent, salaries, and insurance.

Variable Costs

are expenses that change in proportion to the activity of a business, such as sales volumes, including costs of goods sold and direct labor costs.

Selling Price

The actual price at which a product or service is sold to customers.