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If block of brass made up of copper of density 9 g per cm and zinc of 100 cm and density of 8.5 g per cm what are the masses of the copper and zinc used to make this block of brass?
Wiki User
∙ 13y ago
I believe the question is
Block of brass made of copper at density 9g/cm3 and zinc 100 cm3 with density of 8.5g/cm3
The question don't contain sufficient data to calculate.
Brass may have zinc content varies between 5 - 15% this ratio meant to be fix to calculate out ratio copper use.
Let presume fix zinc content to 10% that is 90% copper use
Zinc additive is 100 x 8.5 = 850 gram
Copper additive is then 850x90/10 = 76,500 gram = copper volume of 76,500/9 = 850 cm3
Net weight of this block is then 850+76,500 = 77,350 gram
Wiki User
∙ 13y ago
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