Chemistry and Chemical Reactivity (9th Edition)

by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.

Published by Cengage Learning

ISBN 10: 1133949649

ISBN 13: 978-1-13394-964-0

Chapter 3 Chemical Reactions - 3-9 Classifying Reactions in Aqueous Solution - Applying Chemical Principles - Questions - Page 135: 2

Answer

Y:$13.37\%$ Ba: $41.30\%$ Cu: $28.66\%$ O: $16.67\%$

Work Step by Step

Molar mass of $YBa_2Cu_3O_{6.93}$ $M= 88.90585+137.327\times2+63.546\times3+15.9994\times6.93$ $M=665.07\ g/mol$ Y:$88.90585/M=13.37\%$ Ba: $137.327\times2/M=41.30\%$ Cu: $63.546\times3/M=28.66\%$ O: $15.9994\times6.93=16.67\%$

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