Question

It is recommended that drinking water contain 1.6 ppm fluoride (F) for prevention of tooth decay. Consider a reservoir with a diameter of 4.50 102 m and a depth of 10.0 m. (The volume is 2h, where ris the radius and h is the height.) How many grams of F should be added to give 1.6 ppm? Fiuoride is provided by hydrogen hexafluorosilicate, HZSIF6. How many grams of H2SIF6 contain this much F?​

Answer 1

Answer:

Drinking Water Helps Maintain the Balance of Body Fluids.

Your body is composed of about 60% water. The functions of these bodily fluids include digestion, absorption, circulation, creation of saliva, transportation of nutrients, and maintenance of body temperature

Answer 2

Answer:

refer to the attachments