Copper 83011

Brass is an alloy of copper and zinc in a ratio of 3:2. How much copper and zinc do you need to make 1 kilo of brass?

Correct answer:

c =  0.6 kg
z =  0.4 kg

Step-by-step explanation:

m=1 kg Cu:Zn=3:2 c:z=3:2 c+z=m  k=3+2m=3+21=51=0.2 kg  c=3 k=3 0.2=0.6 kg
z=2 k=2 0.2=0.4 kg



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