Question

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?.

Answer 1

weight of dissolving KOH is=10 g KOH molecular weight is= 56.1 moles

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