Religious Studies homework help

Religious Studies homework help. Fine grains of beach sand are assumed to bespheres of radius 38.5 µm. These grains aremade of silicon dioxide which has a density of2600 kg/m3.What is the mass of each grain of sand?Answer in units of kgConsider a cube whose sides are 0.824 m long.How many kg of sand would it take for thetotal surface area of all the grains of sand toequal the surface area of the cube?Answer in units of kg

Religious Studies homework help