### Practice problems: Porosity and bulk density - lawr.ucdavis.edu

4. Calculate the bulk density of a rectangular soil sample with dimensions 12 cm by 6 cm by 4 cm, that is 15% moisture content and weighs 320 g. Vol. of soil = 12cm x 6cm x 4cm = 288cm 3 Oven dry wt. = 320/1.15 = 272g r b = 272/288 = 0.97g/cm 3 . 5. Calculate the oven dry weight of a 350 cm3 soil sample with a bulk density of 1.42 g/cm3.

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