Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95k: 159

Answer

Empirical formula: $SnI_4$

Work Step by Step

Number of moles of iodine atoms: $1.947\ g\div 253.81\ g/mol\times 2/1 =0.0153\ mol$ Number of moles of tin: $(1.056-0.601)\ g\div 118.71\ g/mol=0.00383\ mol$ Ratio: $0.0153/0.00383=4.00$ Empirical formula: $SnI_4$
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