– A flow of 250 GPM is to be treated with a 2.4 percent (0.2 pounds per gallon) solution of sodium fluoride (NaF). The water to

Question

– A flow of 250 GPM is to be treated with a 2.4 percent (0.2
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 has a fluoride purity of 43.4 percent. Select the
closest answer.
1. 19 gal/day
2. 22 gal/day
3. 25 gal/day
4. 28 gal/day
5. 31 gal/day

ANSWER FAST

in progress 0
Ella 2 months 2021-10-16T03:26:07+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-10-16T03:28:03+00:00

    The answer to the question is B

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )