A 1.560 g sample of metal ore was dissolved and the metal (Fw=48.12g/mol) was oxidized to a metal oxide anion A2 containing one metal atom per anion molecule (Fw=212.12g/mol). The solution was treated with 20.00 mL of 0.0750 M BNO3 solution. The resulting precipitate of B2A (Fw=416.88g/mol) was removed and discarded. The excess BNO3 (Fw=179.55g/mol) required 11.22 mL of 0.0995 M KD (Fw=60.12g/mol) for complete reaction. Calculate the percent of metal in the ore. Within reason do not round until the end. Report your final answer to the three significant figures. [number]% metal

A 1.560 g sample of metal ore was dissolved and the metal (Fw=48.12g/mol) was oxidized to a metal oxide anion A2 containing one metal atom per anion molecule (Fw=212.12g/mol). The solution was treated with 20.00 mL of 0.0750 M BNO3 solution. The resulting precipitate of B2A (Fw=416.88g/mol) was removed and discarded. The excess BNO3 (Fw=179.55g/mol) required 11.22 mL of 0.0995 M KD (Fw=60.12g/mol) for complete reaction. Calculate the percent of metal in the ore. Within reason do not round until the end. Report your final answer to the three significant figures. [number]% metal

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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Question

A 1.560 g sample of metal ore was dissolved and the metal (Fw=48.12g/mol) was oxidized to a
metal oxide anion A2 containing one metal atom per anion molecule (Fw=212.12g/mol). The
solution was treated with 20.00 mL of 0.0750 M BNO3 solution. The resulting precipitate of B2A
(Fw=416.88g/mol) was removed and discarded. The excess BNO3 (Fw=179.55g/mol) required
11.22 mL of 0.0995 M KD (Fw-60.12g/mol) for complete reaction. Calculate the percent of metal
in the ore.
Within reason do not round until the end. Report your final answer to the three significant figures.
[number]% metal

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