Respuesta :

[tex]\%\text{ V/V = }\frac{\text{ volume solute }}{\text{ volumen solution }}\times100\%[/tex][tex]\%\text{ V/V = }\frac{\text{ 75 mL}}{\text{ 275 mL }}\times100\%\text{ = 27.27}\%[/tex]

The percent by volume is 27.27%