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A 500 g toothpaste sample has 0.2 g fluo...

A 500 g toothpaste sample has 0.2 g fluoride concentration. What is the concentration of fluoride in terms of ppm level?

A

250

B

200

C

400

D

1000

Text Solution

Verified by Experts

The correct Answer is:
C
Concentration (ppm) `0.2/500 xx 10^6 = 400`
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