Homework Help: Chemistry

Posted by Amanda on Sunday, September 16, 2012 at 6:50pm.

I have this problem....

Hexane has a density of 0.659 g/ml. How many milliliters (mL) would a student need to pour in order to get 49.5 g of hexane?

Am I to solve by using mass = density x volume? And if so, is the answer 32.62mL?

Chemistry - DrBob222, Sunday, September 16, 2012 at 7:04pm
yes and no.
mass = volume x density
45.9g = volume x 0.695
Solve for volume. That answer is not 32.62 mL but more than twice that.
Chemistry - Amanda, Sunday, September 16, 2012 at 7:39pm
Okay, I think I got it! Thanks a bunch :)

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