Answer
2.79%
Work Step by Step
Mass fraction of glucose= $\frac{mass\,of\, glucose}{mass\,of\,glucose+mass\,of\,water}=\frac{21.5\,g}{21.5\,g+750.\,g}$
$=0.0279$
Weight percent= mass fraction$\times$100 %
$=0.0279\times100$%
= 2.79%
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 13 - The Chemistry of Solutes and Solutions - Problem Solving Practice 13.4 - Page 579: a
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