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M&M I-Practice Math #2

8.      Two solutions are being combined.  250 gallons of a solution containing 1.5 lbs of chemical per gallon of solution is being added to 1,500 gallons containing 4.8 lbs of chemical per gallon of solution.  The solution contains _____ pound(s) of chemical.

 

 

9.      Two solutions are being combined. 250 gallons of a solution containing 1.5 lbs of chemical per gallon of solution is being added to 1,500 gallons containing 4.8 lbs of chemical per gallon of solution.  The weight of chemical in the new solution is _____ lbs/gal.

 

 

10.    A drum contains 55 gallons of a chemical solution with a specific gravity of 1.12. The dry chemical weighs _______ pounds.

 

 

11.    A dosage of 7 mg/L into a flow of 250,000 gpd uses ________ lbs/day of chemical.

 

 

12.    Twenty-five pounds of chemical per day are being added to a flow of 500 gpm is _______ mg/L.

 

 

13.    The maximum rate for a chemical feeder is 640 lbs/day. The feed rate is _____ pounds/minute.

 

 

14.    The solution in a 15 foot by 35 foot by 55 foot tank with a specific gravity of 1.05 weighs _____ pounds.

 

Solutions to I-Practice Math #2

 

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