Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 3 - Section 3.9 - Composition of Compounds - For More Practice - Page 111: 3.15

Answer

That person consumed $8.6$ g of sodium.

Work Step by Step

Since sodium chloride is 39% sodium by mass, each 100% of this compound has that value of sodium. So, we can use this as a conversion factor to calculate the mass of sodium consumed: $22g (Sodium-chloride)\times \frac{39\% Sodium}{100\% (Sodium-Chloride)} = $ $8.6$ g $(Sodium)$
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