It is recommended that drinking water contain 1.6 ppm fluo- ride (f) to prevent tooth decay. consider a cylindrical reservoir with a diameter of 4.50 x 10' m and a depth of 10.0 m. (the volume is rh, where r is the radius and h is the height.) how many grams of f should be added to give 1.6 ppm? fluoride is provided by hydrogen hexafluorosilicate, h. sif. how many grams of h sif contain this much f?

brian made this table to organize his notes on changes of state. depostion is a change of state that has the wrong energy change listed. it is utilized to collect data as a portion of the development means and in restricted conditions which may be applied at test.

a deposition in the authority of the united states or research for development in the authority of canada includes the catching of affirmed. the out-of-court verbal assertion of a spectator that may be lessened to a printed record for succeeding application for discovery purposes.