A Student Prepared a Stock Solution by Dissolving 10

question 65

Multiple Choice

A student prepared a stock solution by dissolving 10.0 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 65.0 mL of a final solution.What is the concentration of KOH for the final solution?

• A)0.274 mol L^-1
• B)0.356 mol L^-1
• C)2.81 mol L^-1
• D)3.65 mol L^-1

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