A sample of iron ore weighing 800 mg was treated with HNO3 , boiled to dryness and redissolved in dilute HCl. After filtration and removal of undissolved silica, the liquid was passed through a Walden reductor. The collected sample was titrated with 0.0210 M KMnO4 , requiring 12.0 mL to reach the end point. Calc %Fe (55.845) in the ore. A sample of iron ore weighing 800 mg wastreated with HNO2, boiled to dryness andredissolved in dilute HCI. After filtration andremoval of undissolved silica, the liquid waspassed through a Walden reductor. Thecollected sample was titrated with 0.0210 MKMNO4, requiring 12.0 mL to reach the endpoint. Calc %Fe (55.845) in the ore.

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Answered: A sample of iron ore weighing 800 mg…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A sample of iron ore weighing 800 mg was treated with HNO3 , boiled to dryness and redissolved in dilute HCl. After filtration and removal of undissolved silica, the liquid was passed through a Walden reductor. The collected sample was titrated with 0.0210 M KMnO4 , requiring 12.0 mL to reach the end point. Calc %Fe (55.845) in the ore.

A sample of iron ore weighing 800 mg was
treated with HNO2, boiled to dryness and
redissolved in dilute HCI. After filtration and
removal of undissolved silica, the liquid was
passed through a Walden reductor. The
collected sample was titrated with 0.0210 M
KMNO4, requiring 12.0 mL to reach the end
point. Calc %Fe (55.845) in the ore.

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