Chemistry and Chemical Reactivity (9th Edition)

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

Chapter 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions: 87

Answer

$77.22\%$

Work Step by Step

Number of moles of barium sulfate: $0.2070\ g\div 233.38\ g/mol=0.8869\ mmol$ From stoichiometry, same number of moles of saccharin: $0.8869\ mmol\times 183.18\ mg/mmol=162.5\ mg$ Mass percent: $162.5/210.4\times 100\%=77.22\%$
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