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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 65.0 mL of a final solution. What is the concentration of KOH for the final solution?
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?
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2 Jun 2021
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Related questions
A solution is prepared by dissolving 23.8 g of ammonium sulfate in enough water to make 100.0 mL of stocksolution. A 11.50-mL sample of this stock solution is added to 51.10 mL of water. Calculate the concentration of ammonium ions andsulfate ions in the final solution.
| NH4+ |  |
| SO42? | |
A solution is prepared by dissolving 23.8 g of ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50-mL sample of this stock solution is added to 51.10 mL of water. Calculate the concentration of ammonium ions and sulfate ions in the final solution.
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