Chemical Forums

Chemistry Forums for Students => High School Chemistry Forum => Topic started by: milissa00 on September 22, 2006, 06:16:09 PM

Title: Question on volume
Post by: milissa00 on September 22, 2006, 06:16:09 PM

what volume of mercury (d=13.6 g/ml) would have a mass of 2.8 lbs?

what is the answer to this and how do you set it up?

Title: Re: Question on volume
Post by: enahs on September 22, 2006, 06:37:16 PM

Convert 2.8lbs to grams.

You know for every 13.6 grams there is 1 ml of mercury.

Using simple dimensional analysis
http://www.chemistrycoach.com/use.htm
http://www.chem.tamu.edu/class/fyp/mathrev/mr-da.html
And just search at google for lots of other examples, that was just some of the first ones.

X grams (grams in 2.8lbs) / 13.6 = ml of mercury.