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:

Cash Basis

An accounting method where revenues and expenses are recorded when cash is received or paid, respectively.

External Reporting

The process of providing financial statements and other pertinent information to outside entities, such as investors, creditors, and regulatory agencies.

Profit Margin

A financial metric indicating the percentage of revenue that exceeds the cost of goods sold, showing how much profit a company makes on sales.

Net Income

The sum a company holds as profit once it has subtracted expenses and taxes from its aggregate revenue.