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 - Page 179i: 108



Work Step by Step

Number of moles of $NaOH$: $0.550\ M\times 29.58\ mL=16.27\ mmol$ From stoichiometry: $8.13\ mmol$ oxalic acid. Mass of oxalic acid: $8.13\ mmol\times 90.04\ mg/mmol=732\ mg$ Mass percentage: $0.732/4.554\times 100\%=16.07\%$
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