Iron has a density of 7.9 g/cm³. Gold has a density of 19.3 g/cm³. I have a piece of metal that has a volume of 200 cm³ and a mass of 3.86 kg. Is it gold or iron?

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Brown Limie asked Feb 4, 2023

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Iron has a density of 7.9 g/cm³. Gold has a density of 19.3 g/cm³.

I have a piece of metal that has a volume of 200 cm³ and a mass of 3.86 kg. Is it gold or iron?

Mathematics
high-school

Brown Limie asked Feb 4, 2023

by Brown Limie

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density = m/v
3.86kg=3860g
d= 3860/200
= 19.3g/cm^3
therefore it is gold.

Bwyss answered Feb 10, 2023

by Bwyss

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