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QUESTION

# How would you calculate the density of methanol (CH_3OH)?

You would actually measure the mass of an accurately measured volume of methanol at a given temperature.

And of course, rho,"density" = "Mass"/"Volume".

For methanol at 298K, rho=0.792*g*cm^-3.

Methanol is immiscible with petroleum ether, rho=0.653*g*cm^-3. Would methanol float or sink on/in pet. ether?