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April 19, 2014

Homework Help: math/chem

Posted by echem on Thursday, April 8, 2010 at 10:24pm.

If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube
of the same material with sides 2.66 cm in length be?
I got 68.301 but it was wrong...
i basically made a ratio 25.68 g/1cm and did 2.66cm x 25.68 (dimensional analysis)
This should be very simple but I'm having so much trouble with it. Please help, Thank You!

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