Answer
See answer below.
Work Step by Step
Number of moles:
$0.001023\ M\times 125.\ mL= 0.128\ mmol$
Mass:
$0.128\ mmol\times 163.94\ mg/mmol=20.96\ mg$
Concentration of the ions:
$0.003069\ M\ Na^+$
$0.001023\ M\ PO_4^{3-}$
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 4 Stoichiometry: Quantitative Information about Chemical Reactions - Study Questions - Page 179d: 42
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