Chemistry, 19.04.2021 22:20 jaylon78

A 0.45g sample of mineral ore is analyzed for chromium and found to contain 0.560mg Cr2O3. Express the concentration of Cr2O3 in the sample as: (a) Percent (%) (b) Parts per thousand (ppt) (c) Parts per million (ppm) (d) Parts per billion (ppb)

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A 0.45g sample of mineral ore is analyzed for chromium and found to contain 0.560mg Cr2O3. Express t...