3 mg F x (1 g/1000 mg) x (1 mol F/19.0g F) x (1 mol NaF/1 mol F) x (42 g NaF/1 mol NaF) = xx
Check my thinking and look carefully at each term I've used. I initially inverted some of them.
The American Dental Association recommends that an adult female should consume 3.0mg of flouride per day to prevent tooth decay. If the flouride is consumed as sodium flouride (45.24% F)what amount of sodium flouride contains the recommended amount of flouride in mg?
2 answers
The answer above is in grams. You will need to convert it to mg. Also, check the atomic and molar masses.