Fluoridation is done by continuously adding sodium fluoride to water. A medium sized city of 150 , 000 people uses 175 gal water per day. Then how many tons of sodium fluoride that must be added to the water supply each year to have the required fluoride concentration of 1 part per million has to be determined.

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Chapter 2, Problem 105QRT

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Fluoridation is done by continuously adding sodium fluoride to water. A medium sized city of 150,000 people uses 175 gal water per day. Then how many tons of sodium fluoride that must be added to the water supply each year to have the required fluoride concentration of 1 part per million has to be determined.

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