Answer :
1) Percent by volume.
[tex]\%=\frac{millilitersofsolute_{}}{millilitersofsolution_{}}\cdot100_{}[/tex]List known values
Solute: methyl alcohol
Solution: 1.30 L.
Convert L into mL
[tex]L=1.30L\cdot\frac{1000mL}{1.00L}=1300mL[/tex]2) Plug in known values
[tex]18.5\%=\frac{\text{milliliters of methyl alcohol}}{1300mL}\cdot100[/tex]3) Solve for volume of methyl alcohol.
[tex]18.5\%\cdot\frac{1300mL}{100}=\frac{milliliters\text{ of methyl alcohol}}{1300mL}\cdot100\cdot\frac{1300mL}{100}[/tex][tex]mL\text{ methyl alcohol=18.5}\%\cdot\frac{1300mL}{100}=240.5mL\text{ methyl alcohol}[/tex]The bottle contains 240.5mL of methyl alcohol.