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22-06-2020
Chemistry

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The American Dental Association recommends that an adult female should consume 3.0 mg of fluoride (F-) per day to prevent tooth decay. If the fluoride is consumed as sodium fluoride (45.24% F by mass), what amount of sodium fluoride (in milligrams) contains the recommended amount of fluoride?

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SvetkaChem SvetkaChem

22-06-2020

Answer:

6.6 mg NaF

Explanation:

3.0 mg --- 45.24 %

x mg ----- 100%

x = (3.0*100)/45.24 = 6.6 mg

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