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 water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution? 0.356 M 0.274 M 3.65 M 2.81 M

Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
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Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.106E
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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 water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution?

0.356 M
0.274 M
3.65 M
2.81 M
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