Answer to Question #51728 in Physical Chemistry for Ronnie
A flow of 150 GPM is to be treated with 2.4 percent (.02 pounds per gallon) solution of sodium Fluoride (NaF). The water to be treated contains 0.5 mg/L of fluoride ion and the desired fluoride ion concentration is 1.4 mg/L. What is the sodium feed rate in gallons per day? Assume the sodium fluoride purity of 43.4 percent.