Chemistry, 21.04.2021 07:40 giovney

A 0.45g sample of mineral ore is analyzed for chromium and found to contain 0.560mg Cr2O4. Express the concentration of Cr2O3 in sample as a. Percent
b. Parts per thousand
c. Parts per million
d. Parts per billion

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A 0.45g sample of mineral ore is analyzed for chromium and found to contain 0.560mg Cr2O4. Express t...