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percentage of copper in alloy=350/4.5=77.77
so in 18.9g of alloy there will also be 77.77%
so mass of copper=77.77*18.9/100=14.7g
I HOPE IT WILL HELP YOU.
so in 18.9g of alloy there will also be 77.77%
so mass of copper=77.77*18.9/100=14.7g
I HOPE IT WILL HELP YOU.
champion360:
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