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Problem- To aid in the prevention of tooth decay, it is recommended that drinking water contain 1.00 ppm fluoride (F-), how many grams of F- must be added to a cylindercal water resovoir having a diameter of 4.34x10^2m and a depth of 32.63m? Answer in grams of F-
How many grams od sodium flouride,NaF, contain this much flouride. Answer in grams of NaF

I am not able to solve the above problem somebody help me to get the correct answer

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