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The concentration of Mg in an unknown sample was determined by pipetting 15.0ml of the unknown sample into five 50ml volumetric flasks. Various volumes of

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The concentration of Mg in an unknown sample was determined by pipetting 15.0ml of the unknown sample into five 50ml volumetric flasks. Various volumes of a standard containing 22.6ppm of Mg were added to the flasks and the solution were then filled with deionised water to a volume of 50ml. Calculate the ppm of Mg in the sample. A. 4.6ppm B. 1.9ppm C. 3.3ppm D. 1.5ppm

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