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500 poundsmath constant: 1mg/l=1ppm, (1 milligram per liter = 1 part per million)math constant: water weighs 8.34 pounds per gallonmath constant: 1 pound is 1ppm of 1 million poundsstep 1: find the weight of the water 25 x 8.34=208.5 million pounds, so 208.5 pounds would be 1ppmstep 2: multiply dose times the weight. we need 0.6ppm so 0.6 x 208.5 = 125.1 pounds of copper sulfate neededstep 3: ...

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11.25 gallons of 8% polymerthis problem could be a bit confusing because the 150 gallons has less than 1% polymerStep 1: convert percentages to usable numbers 0.6%=0.006 and 8%=0.08Step 2: how much polymer is in the solution? 150 gal x 0.006 = 0.9 gallons of polymer in the solution (149.1 gal water, 0.9 gal of polymer)Step 3: how much 8% solution would you need to equal 0.9 gallons of 100% ...

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67.554lbs per daymath constant: 1 mg/L= 1 ppm (part per million) 1 gram is 1000th of a liter, 1 milligram is 1000th of a gram 1000x1000 = 1,000,000, so 1mg/L is one millionth of a litermath constant: 1 part per million is 1 pound out of a million pounds, one millionth of a million poundsmath constant: Water = 8.34lbs per gallonStep 1: 0.9mgd x 8.34 = 7.506 million pounds of water, so 7.506lbs is ...

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2.1mg/l and ppm are the same1.6 million gallons x 8.34lbs per gallon = 13.344 million pounds, so 13.344 is 1ppm of 1.6 million gallons28lbs / 13.344 =2.0983213 rounded to 2.1

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92mL/min, 92.0297There are two difficult aspects to this problem, specific gravity, and the percentage of alum in the solution.Math Constant: Specific gravity of water = 1Math Constant: 1 gram of water = 1mLMath Constant: There are 1000 grams of water in one liter, and one milligram is one thousandth of a gram, so one milligram per liter (mg/L) is one millionth of a literMath Constant: 1,440 ...

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Answer updated on: 30 Nov -0001

15,708 cu ftmath constant: area of a circle formula, diameter squared x 0.7854 (0.7854 is 1/4th of pi, 3.1416 / 4=0.7854)step 1: 50x50x0.7854=1,963.5 square feet at base of clarifierstep 2: multiply area x height, 1,963.5 x 8 = 15,708

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Answer updated on: 30 Nov -0001

5,760math constant:volume of a rectangle length x width x height60 x 12 x 8 = 5,760

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Answer updated on: 30 Nov -0001

2,375.835 sq ftmath constant: area of a circle formula, diameter squared x 0.7854 (0.7854 is 1/4th of pi, 3.1416/4=0.7854)55x55x0.7854=2,375.835 sq ft

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Answer updated on: 30 Nov -0001

962.115 sq ftmath constant: area of a circle formula, diameter squared x 0.785435x35x0.7854=962.115

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Answer updated on: 30 Nov -0001

149,600 gallonsmath constant: 1 cubic foot holds 7.48 gallons20,000 x 7.48 = 149,600 gallons

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