4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What we – InterviewSolution

1.	4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper willthere be in 18.9 g of the alloy?
Answer» 4.5 g of alloy contains 3.5 gmso 1 gm of an alloy will contain 3.5/4.5 gm of copper=7/9gm of copperso 18.9 gm of alloy will contain (7/9)*18.9 gm of copper=14.7gm of copper.

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