In froth flotation, air is bubbled through an aqueous solution or slurry to which a foaming agent (soap) has been added. The air-soap bubbles carry finely dispersed solids and hydrophobic materials such as grease and oil to the surface where they can be skimmed off in the foam. An ore-containing slurry is to be processed in a froth flotation tank at a rate of 400.0 tons/h. The slurry consists of 15.0wt% solids (the ore, SG=1.20 ) and the remainder an aqueous solution with a density close to that of water. Air is sparged (blown through a nozzle designed to produce small bubbles) into the slurry at a rate of 50.0ft3 (STP)/1000 gal of slurry. The entry point of the air is 8.0ft below the slurry surface. The tank contents are at 75.0F and the barometric pressure is 28.8 inches of Hg. The sparger design is such that the average bubble diameter on entry is 2.50mm. Note that STP in this text is 1atm (not 1 bar) and 0C. Volumetric Flow Rate Check calculation of slurry density. Check unit conversions. Check ideal gas properties. What is the volumetric flow rate of the air at its entering conditions