11. A 0.8000-g sample of iron ore containing 21.00% Fe is analyzed gravimetrically. If the final precipitate (assumed to be Fe,03) contains 20.0 mg of Al,03 by mistake, what percentage of Fe does the analyst find?

11. A 0.8000-g sample of iron ore containing 21.00% Fe is analyzed gravimetrically. If the final precipitate (assumed to be Fe,03) contains 20.0 mg of Al,03 by mistake, what percentage of Fe does the analyst find?

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section17.6: Equilibria Involving Complex Ions

Problem 1.2ACP: What is the minimum volume of 0.0071 M NaCN(aq) necessary to dissolve the gold from 1.0 metric ton...

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Question

11. A 0.8000-g sample of iron ore containing 21.00% Fe is analyzed gravimetrically. If the final
precipitate (assumed to be Fe,03) contains 20.0 mg of Al,03 by mistake, what percentage of
Fe does the analyst find?

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