Question

an alloy

consists of 30% zinc, 45% nickel and rest is copper. Find the mass of copper in 800 g of the alloy​

Answer 1

Answer:

The copper will be 25%

mass of copper in 800g=25×800/100=200g

Mass of copper in 800 g of alloy is 200g

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Answer 2

Answer:

hope you got the answer