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Question: bis3hydroxy2methyl4pyronatocopperii copperii chloride dehydrate 25g was dissolved in 50 ml...

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Bis-(3-hydroxy-2-methyl-4-pyronato)Copper(II)

Copper(II) chloride dehydrate 2.5g was dissolved in 50 mL of water in continuous stirring until dissolve. In a separate beaker 3.1g of Maltol was dissolved in 150 mL of water, and the solution were mixed. 2M Sodium hydroxide 15 mL was added dropwise to bring the pH to 7.5 and the mixture was stirred until a green flaky precipitate was formed. The product was then filtered and dried under reduced pressure. The obtained yield for Bis-(3-hydroxy-2-methyl-4-pyronato)Copper(II) was 18.5g. Calculate the theorical and the percentage yield.
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