1. A sample of toothpaste weighing 500g on analysis was found to conta – InterviewSolution

1.	1. A sample of toothpaste weighing 500g on analysis was found to contain 0.2g of fluorine. The concentration of fluorine in ppm is
Answer» 1. A sample of toothpaste weighing 500g on analysis was found to contain 0.2g of fluorine. The concentration of fluorine in ppm is

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