Respuesta :

The  concentration as  %  by  mass  is  calculated as below

mass  of  solute/mass of  solvent x100
mass of  solute(sugar) = 4g
mass of   solvent(water) =46  g

= 4g/  46 g x100 = 8.7%

Answer:

[tex]\% m=8.0\%[/tex]

Explanation:

Hello,

In this case, the percent by mass is computed as:

[tex]\% m=\frac{m_{solute}}{m_{solution}}* 100\%=\frac{m_{solute}}{m_{solute}+m_{solvent}}* 100\%[/tex]

In this case, as sugar is the solute and water the solvent, the required percen by mass is:

[tex]\% m=\frac{4g}{4g+46g}* 100\%\\\\\% m=8.0\%[/tex]

Best regards.