A 1 L of water sample has 0.1 g fluoride concentration. What is the co – InterviewSolution

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1.	A 1 L of water sample has 0.1 g fluoride concentration. What is the concentration of fluoring in terms of ppm level ?
Answer» 250 100 400 1000 Solution :PPM of `F^(-)`ions =`W_(2)/"MASS of solution"xx10^(6)=0.1/10^(3)xx10^(6)` =100

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