1. A 500 gm of toothpaste sample has 0.2 g of fluoride concentration. What is the
concentration of fluoride in terms of ppm level?
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Hey mate ^_^
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Answer:
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PPM = Number of parts of the component/total no of parts of all component *10^6
=.2/500 *10^6
=400ppm
#Be Brainly❤️
=======
Answer:
=======
PPM = Number of parts of the component/total no of parts of all component *10^6
=.2/500 *10^6
=400ppm
#Be Brainly❤️
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