What Is the Molality of a Solution Prepared by Dissolving

question 50

Multiple Choice

What is the molality of a solution prepared by dissolving 86.9 g of diethyl ether, C₄H₁₀O, in 425 g of benzene, C₆H₆?

• A) 0.362 m
• B) 0.498 m
• C) 2.01 m
• D) 2.76 m
• E) None of these choices is correct.

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Definitions:

Accounting Profit

The total revenue of a business minus the explicit costs, representing the financial gain shown in the income statement.

Implicit Costs

The opportunity costs that arise from using assets, resources, or funds to undertake an action instead of another activity, not directly recorded in financial statements.

Explicit Costs

Direct monetary expenses incurred in the course of doing business, such as wages, rent, and materials.

Peak Efficiency

The optimal point at which a particular process or system operates with maximum effectiveness or efficiency.