Question

9. Alloys are mixture of metals. If an alloy of copper, zinc and nickel contains 72% copper. 24% zinc and the
rest nickel, find the mass of nickel in gram in 5 kg of the alloy.​

Answer 1

Step-by-step explanation:

So, in an alloy 4% are nickel then in 5 kg of alloy there will be 4% of 5kg = 4/100 X 5000 = 200g

so in 5kg of alloy there are 200g of nickel .