Physics, 06.09.2019 22:20 PrincessAlaia01
It is recommended that drinking water contain 1.6 ppm fluoride (f−) for prevention of tooth decay. consider a reservoir with a diameter of 4.70 ✕ 102 m and a depth of 14.2 m. (the volume is πr2h, where r is the radius and h is the height.) how many grams of f− should be added to give 1.6 ppm?
Answers: 2
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