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density = mass ÷ volume= 20 g ÷ 12 cm3≈ 1.67 g/cm3
density = mass ÷ volume = 30 g ÷ 10 cm3 = 3 g/cm3
The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3The volume of the aquiarm - whatever that might be - is 720,000 cm3 or 0.72 m3
The volume should be 200 cm3, not cm2. Density = Mass/Volume = 120g /200 cm3 = 0.6 g/cm3
27.3 g is the mass of an aluminum sample with a volume of 10.0 cm3.