. 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
1
Answer:
on a it to the now I'm just saying it is the first place I was in my room is the first place I was in opposition from you and the other one I was in my
Explanation:
hisjust
Answered by
0
Answer:
g of solute/g of solution ×100%
0.56×100%/0.45×1000
56/450
0.124% of Cr2O3
Similar questions