Density Practice Problems - New Canaan

D (ethanol) = 3.9 g / 5 ml D (benzene) = 44 g / 5 ml. D (ethanol) = 0.78 g/ml D (benzene) = 8.8 g/ml. Answer benzene. 7. A sample of iron has the same dimensions of 2 cm x 3 cm x 2 cm. If the mass of this rectangular-shaped object is 94 g, what is the density of iron? l = 2 cm m = 94 g v = l x w x h D = m / v. w = 3 cm v = 2 cm x 3 cm x 2 cm D ... ................
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