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4.5g of an alloy of copper and nickel contains 3.5g of copper.what weight of copper will be there in 18.9g of the alloy.

Answers (1)

4.5g alloy contains = 3.5 g copper

1 g alloy contains = 3.5/4.5 g copper

18.9 g alloy contains = 18.9x3.5/4.5 = 14.7 g copper

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Ravindra Pindel

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