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PLEASE MAKE SURE Answer is on page and accurate. No more wasting my time. I will upvote if correct . 4. A stock alum chemical

image text in transcribedPLEASE MAKE SURE Answer is on page and accurate. No more wasting my time. I will upvote if correct

. 4. A stock alum chemical has 10.21 percent as Al2O3 with specific gravity of 1.29. (1) Calculate the alum concentration if reported as g/L Al2(SO4)312H20. (2) For 25 mg/L alum dose applied to a treatment plant with a capacity of 0.45 m3/s, calculate the chemical feed rate in L/min

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