How Many Molecules of N₂O₄ Are in 76

question 81

Multiple Choice

How many molecules of N₂O₄ are in 76.3 g N₂O₄? The molar mass of N₂O₄ is 92.02 g mol^-1.

• A) 5.54 × 10²⁵ N₂O₄ molecules
• B) 7.26 × 10²³ N₂O₄ molecules
• C) 1.38 × 10²⁴ N₂O₄ molecules
• D) 4.59 × 10²⁵ N₂O₄ molecules
• E) 4.99 × 10²³ N₂O₄ molecules

---

Definitions:

Marginal Revenue

The increase in revenue that results from the sale of an additional unit of output.

Total Revenue

The total income received by a firm from the sale of its goods or services, calculated as the unit price multiplied by the quantity sold.

Market Demand

The total quantity of a good or service that all consumers in a market are willing and able to purchase at different prices during a specified time period.

Positive Profits

Earnings that exceed the total costs, indicating a financially beneficial outcome.