5.70 g iron ore was dissolved in concentrated HCL After the dissolution, the resulting solution was made basic by adding 6.0 M NaOH slowly until the solution is slightly turbid. Urea was then added and the solution was heated for 3 hours. The precipitate was filtered using an ashless filter paper and ignited to form Fe2O3 (159.69 L /mol The mass of precipitate is 2.1g. Find the % Fe3O4 (231.54 c/mol) in the iron are sample.
5.70 g iron ore was dissolved in concentrated HCL After the dissolution, the resulting solution was made basic by adding 6.0 M NaOH slowly until the solution is slightly turbid. Urea was then added and the solution was heated for 3 hours. The precipitate was filtered using an ashless filter paper and ignited to form Fe2O3 (159.69 L /mol The mass of precipitate is 2.1g. Find the % Fe3O4 (231.54 c/mol) in the iron are sample.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 14.98QE
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A 5.70 g iron ore was dissolved in concentrated HCL After the dissolution, the resulting solution was made basic by adding 6.0 M NaOH slowly until the solution is slightly turbid. Urea was then added and the solution was heated for 3 hours. The precipitate was filtered using an ashless filter paper and ignited to form Fe2O3 (159.69 L /mol The mass of precipitate is 2.1g. Find the % Fe3O4 (231.54 c/mol) in the iron are sample.
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