Science/ math
posted by anum .
A student measures the mass of 8o ml of liquid in a Graduated cylinder. The cylinder alone has a mass of 50.5 g. The cylinder plus the liquid has a Mass of 70.5 g. What is the density of the liquid?

Science/ math 
drwls
The liquid's mass is 70.5  50.5 g = __?
The density is (liquid mass)divided by(volume)
It's going to be a number much less than 1.00 g/cm^3. I wonder if there really are liquids that light
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