A nozzle having a throat area of 2 in2 and an exit area of 2.4 in2 is connected to an air…

A nozzle having a throat area of 2 in2 and an exit area of 2.4 in2 is connected to an air reservoir at 50  and 40°F. What is the density of air and the speed of sound in the tank? What is the maximum mass discharge possible from the tank?