Question

(Fetter p235, 2) A soil sample is collected and taken to the lab. The volume of the sample is 75 cm3. At the natural water content, the sample weighs 168.00 g. It is then saturated with water and reweighed. The saturated weight is 171.25 g. The sample is dried in an oven; the dry weight is 157.22 g. Assume the density of water is 1.00 g/cm3. Find each of the following.
(a). Volumetric water content
(b). Saturation
(c). Porosity