Fluoride ion is poisonous in relatively low amounts: 0.2 g of F⁻ per 70 kg of body weight can cause death. Nevertheless,in order to prevent tooth decay, F⁻ ions are added to drinking water at a concentration of 1 mg of F⁻ion per L of water. How many liters of fluoridated drinking water would a 70-kg personhave to consume in one day to reach this toxic level? How manykilograms of sodium fluoride would be needed to treat a 8.50x10^7-gal reservoir?
Fluoride ion is poisonous in relatively low amounts: 0.2 g of F⁻ per 70 kg of body weight can cause death. Nevertheless,in order to prevent tooth decay, F⁻ ions are added to drinking water at a concentration of 1 mg of F⁻ion per L of water. How many liters of fluoridated drinking water would a 70-kg personhave to consume in one day to reach this toxic level? How manykilograms of sodium fluoride would be needed to treat a 8.50x10^7-gal reservoir?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter18: Representative Metals, Metalloids, And Nonmetals
Section: Chapter Questions
Problem 110E: Physiological saline concentration—that is, the sodium chloride concentration in our bodies—is...
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Fluoride ion is poisonous in relatively low amounts: 0.2 g of F⁻ per 70 kg of body weight can cause death. Nevertheless,in order to prevent tooth decay, F⁻ ions are added to drinking water at a concentration of 1 mg of F⁻ion per L of water. How many liters of fluoridated drinking water would a 70-kg personhave to consume in one day to reach this toxic level? How manykilograms of sodium fluoride would be needed to treat a 8.50x10^7-gal reservoir?
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