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Show all work. pay attention to units and sig figs.


A rock has a volume of 15.2 mL, and a mass of 54.99 grams. Determine its density.

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sqdancefan

Answer:

     3.62 g/cm^3

Explanation:

Density is the ratio of mass to volume:

  ρ = mass/volume

  ρ = (54.99 g)/(15.2 mL) ≈ 3.61776 g/mL ≈ 3.62 g/mL

Usually, we use cm^3 as the volume unit. Of course, 1 mL = 1 cm^3, so the density is ...

  ρ = 3.62 g/cm^3

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