Chemistry
Basic

Density

Mass per unit volume of a substance.

Formula

ρ=mV\rho = \frac{m}{V}

Variables

mMass
VVolume

Example

Mercury has ρ = 13.6 g/cm³, so 10 cm³ weighs 136 g.

Did You Know?

Density identifies substances — it's how gold is told from cheaper fakes without melting it.

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