A water treatment plant applies chlorine for disinfection so that 10 mg/L chlorine is achieved immediately after mixing. The volume of water treated is 25,000,000 gal/day. What is the mass of chlorine needed by this plant per day

The mass of chlorine needed by the plant per day is

Explanation:

We are given:

Volume o water treated per day = 25,000,000 gallons

Converting this volume from gallons to liters, we use the conversion factor:

1 gallon = 3.785 L

So,

Amount of chlorine applied for disinfection = 10 mg/L

Applying unitary method:

For 1 L of water, the amount of chlorine applied is 10 mg

So, for of water, the amount of chlorine applied will be

Hence, the mass of chlorine needed by the plant per day is

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