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QUESTION

# The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. How would you calculate the mass of 17.4 mL of the liquid?

Simply mulitply the volume by the . As we shall see, this is dimensionally consistent.

"density "rho = "Mass"/"Volume", and thus units of g*mL^-1 are reasonable.

For this problem:

17.4*cancel(mL)xx0.798*g*cancel(mL^-1) ~= 14*g