You need to prepare 50 gallons of a 200 part per million solution of chlorine fr

Question

You need to prepare 50 gallons of a 200 part per million solution of chlorine from liquid bleach containing 5.5% active chlorine. Part I: How many liters of pure chlorine is in 50 gallons of a 200 part per million chlorine solution? (Express your result to 5 decimal places. You must have the exact answer to get points.) Part II: How many liters of 5.5% chlorine is needed to get the liters of pure chlorine in Part I? (Express your result to 2 decimal places. You must have the exact answer to get points.) You need to prepare 50 gallons of a 200 part per million solution of chlorine from liquid bleach containing 5.5% active chlorine. Part I: How many liters of pure chlorine is in 50 gallons of a 200 part per million chlorine solution? (Express your result to 5 decimal places. You must have the exact answer to get points.) Part II: How many liters of 5.5% chlorine is needed to get the liters of pure chlorine in Part I? (Express your result to 2 decimal places. You must have the exact answer to get points.)

Explanation / Answer

50 gallons of 200 part per million

200 part per million => 200 Gallons of pure chlorine for 1 million gallons of solution.

=>Amount of chlorine in solution = 50*200/1,000,000=10,000/1,000,000 =0.01 gallons of chlorine

As 1 gallon =3.7854 L

=>0.03785 L of chlorine

Part II:

Bleach 5.5% active chlorine

=>100 L Bleach ->5.5L chlorine

=>1 L chlorine -> 100/5.5 L Bleach

=>0.03785 L chlorine -> 3.785/5.5 = 0.688 L Bleach or nearly 0.69 L Bleach containing 5.5% active chlorine required.

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