A 500g Toothpaste Sample Has 0.2g Fluoride Concentration. What Is The Concentration Of Fin Terms Of Ppm Level?
A 500g toothpaste sample has 0.2g fluoride concentration. What is the concentration of Fin terms
of ppm level?
(1) 250 (2) 200 (3) 400 (4) 1000
asked Jun 14 12:00:00 AM