9. the mass of a fully dried rock sample of volume 100 cm3 is 300 g. the mass of the sample, when fully saturated with water of density 1.00 g/cm3, is 325 g. as

9. The mass of a fully dried rock sample of volume 100 cm3 is 300 g. The mass of the sample, when fully saturated with water of density 1.00 g/cm3, is 325 g. Assuming no volume change, the computed porosity of the rock is % (answer in one decimal place). point