#### 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%

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Published by
Cengage Learning

ISBN 10:
1285199049

ISBN 13:
978-1-28519-904-7

2.79%

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