Chemistry, asked by sreenukanagandh1030, 6 days ago

. 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)

Answers

Answered by pathaktarun29
1

Answer:

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Explanation:

hisjust

Answered by petermalichi
0

Answer:

g of solute/g of solution ×100%

0.56×100%/0.45×1000

56/450

0.124% of Cr2O3

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