Design a heat exchanger to cool 120,000 lb/hr of a 2% w/w sodium chloride solution from 93 to 85F. The unit you propose must be built with 3/4" OD, 18 BWG, 16 foot long tubes. For this operation, treated water is available from a cooling tower at 75F and should not circulate at less than 5.5 ft/s Select the material of construction and determine if it is possible to design the heat exchanger for the described operation Explain the results of your design.