Q1- Calculate the percentage of SnO2 (FW = 150.7 g/mol) in a 1.2362 g sample containing Sn, if the sample required 23.15 ml of 0.0552 M solution, according to the reaction: Cr20,2 + 3Sn2+ + 14H → 2Cr3+ + 3Sn*+ +7 H20

Q1- Calculate the percentage of SnO2 (FW = 150.7 g/mol) in a 1.2362 g sample containing Sn, if the sample required 23.15 ml of 0.0552 M solution, according to the reaction: Cr20,2 + 3Sn2+ + 14H → 2Cr3+ + 3Sn*+ +7 H20

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

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Question

Q1- Calculate the percentage of SnO2 (FW = 150.7
g/mol) in a 1.2362 g sample containing Sn, if the
sample required 23.15 ml of 0.0552 M solution,
according to the reaction:
Cr20,2 + 3Sn²* + 14H → 2Cr3+ + 3Sn4+ + 7 H2O

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