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an alloy contains 56g of pure silver and 22g of pure copper what is the percentage...

an alloy contains 56g of pure silver and 22g of pure copper what is the percentage of silver in the alloy? show your work

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Answer #1

mass % of silver in alloy = 100 x (mass of silver/total mass of alloy)

                                       = 100 x (56/56+22)

                                       = 71.80%

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