Chemistry, 08.10.2019 20:00 Robinlynn228
Be sure to answer all parts. 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 person have to consume in one day to reach this toxic level?
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14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream
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An observation that requires measurement is called quantitative observable or qualitative
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Be sure to answer all parts. fluoride ion is poisonous in relatively low amounts: 0.2 g of f− per 7...
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