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1) starting with a 10% solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a 0.1 ppm (part per million) solution? how many ppb's (part per billion) is this concentration?

2) starting with a 0.1 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution, that on average, has fewer than one molecule of solute per liter of solvent.

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Category:- Chemistry
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