Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}.

What volume of alcohol was added to the water?
Express your answer using two significant figures.

1 answer

330 mL is water and container.
120 mL of ethyl alcohol was added.

Divide that mass by the alcohol density for the volume of alcohol added.