The w/w% of a solution that contains 10 grams of solute and 100 grams of solvent is 9.09%
Mass percentage is another name of w/w % or weight /weight % .
To determine the weight/weight % of a solution :
we divide the mass of solute by mass of the solution (solute and solvent together) and multiply by 100 to obtain per cent.
[tex]\dfrac{w}{w} \; \%\; =\;\rm\dfrac{mass \;of\; solute}{mass\; of \; solute\;+\;mass\;of\;solvent} \times 100[/tex]
It is given that , mass of solute = 10 grams and mass of solvent = 100 grams
So,
[tex]\dfrac{w}{w} \; \%\; =\;\rm\dfrac{10}{10+100} \times 100[/tex]
[tex]\dfrac{w}{w} \; \%\; =\;\rm\dfrac{10}{110} \times 100\\\\\dfrac{w}{w} \; \%\; =\;\rm\dfrac{100}{11}\\\\\dfrac{w}{w} \; \%\; =\; 9.09 \;\%[/tex]
The w/w% of a solution that contains 10 grams of solute and 100 grams of solvent is 9.09% .
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