Determine the Vapour Pressure of a Solution at 28 °C

question 150

Multiple Choice

Determine the vapour pressure of a solution at 28 °C that contains 62.5 g of fructose (C₆H₁₂O₆) in 325.0 mL of water. The vapour pressure of pure water at 28 °C is 28.3 Torr.

• A) 27.8 Torr
• B) 16.9 Torr
• C) 28.8 Torr
• D) 36.9 Torr
• E) 24.9 Torr

---

Definitions:

Financial Break-Even

The point at which total revenues and total expenses are equal, resulting in a net income of zero and indicating that a project or business is neither losing nor making money.

Fixed Costs

Expenses that do not change with the level of production or sales over a short period, such as rent, salaries, and loan payments.

Contribution Margin

The amount by which the sales revenue of a product exceeds its variable costs, indicating how much contributes to covering its fixed costs and generating profit.

Variable Cost

Costs that change in proportion to the good or service that a business produces, varying depending on production volumes.