Be sure to answer all parts. Fluoridation is the process of adding fluorine compounds to drinking water to help fight tooth decay. A concentration of 1 ppm of fluorine is sufficient for the purpose (1 ppm means one part per million, or 1 g of fluorine per 1 million g of water). The compound normally chosen for fluoridation is sodium fluoride, which is also added to some toothpastes. Calculate the quantity of sodium fluoride in kilograms needed per year for a city of 50,000 people if the daily consumption of water per person is 105.0 gallons. (Sodium fluoride is 45.0 percent fluorine by mass. 1gallon =3.785 L; 1 ton = 2000 lb; 1 lb = 453.6 g; density of water = 1.0 g/mL) Enter your answer in scientific notation.
Be sure to answer all parts. Fluoridation is the process of adding fluorine compounds to drinking water to help fight tooth decay. A concentration of 1 ppm of fluorine is sufficient for the purpose (1 ppm means one part per million, or 1 g of fluorine per 1 million g of water). The compound normally chosen for fluoridation is sodium fluoride, which is also added to some toothpastes. Calculate the quantity of sodium fluoride in kilograms needed per year for a city of 50,000 people if the daily consumption of water per person is 105.0 gallons. (Sodium fluoride is 45.0 percent fluorine by mass. 1gallon =3.785 L; 1 ton = 2000 lb; 1 lb = 453.6 g; density of water = 1.0 g/mL) Enter your answer in scientific notation.
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter1: Basic Concepts About Matter
Section: Chapter Questions
Problem 1.36EP: Consider two boxes with the following contents: the first box contains 10 blue paper clips and 10...
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Be sure to answer all parts. Fluoridation is the process of adding fluorine compounds to drinking water to help fight tooth decay. A concentration of 1 ppm of fluorine is sufficient for the purpose (1 ppm means one part per million, or 1 g of fluorine per 1 million g of water). The compound normally chosen for fluoridation is sodium fluoride, which is also added to some toothpastes. Calculate the quantity of sodium fluoride in kilograms needed per year for a city of 50,000 people if the daily consumption of water per person is 105.0 gallons. (Sodium fluoride is 45.0 percent fluorine by mass. 1gallon =3.785 L; 1 ton = 2000 lb; 1 lb = 453.6 g; density of water = 1.0 g/mL) Enter your answer in scientific notation. |
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