A plastic material has a mass of 3.48 g and a volume of 10 mL. What is the density of the object?

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Density = mass/volume

Mass of the plastic material: 3.48 g
Volume of the plastic material: 10 mL

Density of the object: (3.48 g)/(10 mL) = 0.348 g/mL.

The answer might differ if you have to round your answer to a certain number of significant figures. I disregarded the sig figs for 10 mL (only one sig fig). If you must consider it, your density would be 0.3 g/mL. I would advise you to just go with what you’ve learned so far.

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