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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asked Jul 4, 2023 195k views

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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

Hadi GhahremanNezhad asked

by Hadi GhahremanNezhad

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

Fregas answered Jul 8, 2023

by Fregas

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