1) List the known and unknown quantities.
Sample: Glucose.
Density: 1.15 g/mL.
Volume: 2.31 gal.
Mass: unknown (kg).
2) Convert mL to gal.
1 gal = 3785.41 mL.
[tex]\frac{g}{mL}=1.15\text{ }\frac{g}{mL}*\frac{3785.41\text{ }mL}{1\text{ }gal}=4353.22\text{ }\frac{g}{gal}[/tex]3) Find the mass
[tex]Mass=Density*Volume[/tex][tex]Mass=4353.22\text{ }\frac{g}{gal}*2.31\text{ }gal[/tex][tex]Mass=10055.94\text{ }g[/tex]4) Convert g to kg.
1000 g = 1 kg.
[tex]kg=10055.94\text{ }g*\frac{1\text{ }kg}{1000\text{ }g}=10.056\text{ }kg[/tex]The mass of 2.31 gal of glucose solution is 10.06 kg.