rmariangel68 rmariangel68

01-11-2019
Chemistry

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A piece if copper has a volume of 100.0cm3. If the mass of copper is 890 g, what is the density of copper?

Respuesta :

01-11-2019

density = mass / volume

therefore...

density = 890g / 100.0 cm3
density = 8.9 g/cm3

The answer is only 2 significant figures because there are two sig. figs in 890 (the zero is a trailing zero)
remember to include the units
all I did was divide the two numbers

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