A Student Prepared a Stock Solution by Dissolving 15

question 33

Multiple Choice

A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150.mL of solution.She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0 mL of a final solution.What is the concentration of KOH for the final solution?

• A)0.411 M
• B)0.534 M
• C)1.87 M
• D)2.43 M

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Definitions:

Net Income

The profit resulting after all expenses, taxes, and costs have been deducted from total revenues.

Interest Expense

The cost incurred by an entity for borrowed funds, which can include costs related to bonds, loans, and lines of credit.

Inventory Turnover Ratio

A financial metric indicating how many times a company's inventory is sold and replaced over a specific period.

Return on Equity

A measure of financial performance calculated by dividing net income by shareholders' equity, indicating how well a company uses investments to generate earnings growth.