Density
2 marks · EasyA small plastic cube has a mass of 9.0 g and a volume of 12.0 cm³. Calculate its density in g/cm³.
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0.75 g/cm^3 (±0.01)
Common mistakes: divided mass by volume the wrong way round; used cm^3 instead of g/cm^3
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Marking points
M1 · 1 mark · Correct formula and substitution:
A1 · 1 mark · Final answer correct: 0.75 g/cm³
Worked solution