Chemistry, asked by kranthi3536, 1 year ago

A sample of toothpaste weighing 500g contain 0.2 g fluorine. Conc of fluorine in ppm is?

Answers

Answered by KingAgr

2

Answer:

.2/500 ×10^6=400ppm

Explanation:

conc in ppm = (weight of substance/ total Weight) × 10^6

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