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<p><font face="serif">Several of you have indicated that you are
still having trouble calculating the density of the unknown
metal. Here are the relevant equations.</font></p>
<p><font face="serif"><br>
</font></p>
<p><font face="serif">Known Quantities:</font></p>
<p><font face="serif"><img style="vertical-align: middle"
src="cid:part1.6D814EEE.2C193E30@mercer.edu"
alt="$\rho_{\mathrm{water}}$"> = Density of Water -- look it
up based on the lab temp that day.</font></p>
<p><font face="serif">A = mass of empty flask and stopper</font></p>
<p><font face="serif">B = mass of flask, stopper, and water</font></p>
<p><font face="serif">C = mass of flask, stopper, and metal</font></p>
<p><font face="serif">D = mass of flask, stopper, metal, and water</font></p>
<p><font face="serif"><br>
</font></p>
<p><br>
<font face="serif"></font></p>
<img style="vertical-align: middle;"
src="cid:part2.824756F4.E4E816C0@mercer.edu"
title="\documentclass{article}
\usepackage[utf8x]{inputenc}
\pagestyle{empty}
\begin{document}
\rho_{\mathrm{metal}} =
\frac{C-A}{\frac{B-A}{\rho_{\mathrm{water}}} -
\frac{D-C}{\rho_{\mathrm{water}}}}}
\end{document}
" alt="\documentclass{article}
\usepackage[utf8x]{inputenc}
\pagestyle{empty}
\begin{document}
\rho_{\mathrm{metal}} =
\frac{C-A}{\frac{B-A}{\rho_{\mathrm{water}}} -
\frac{D-C}{\rho_{\mathrm{water}}}}}
\end{document}
" height="60" width="327"><br>
<br>
<br>
<p>Please let me know if you have any problems reading the equation
or if you have other questions on how to calculate the density.</p>
<br>
<br>
<pre class="moz-signature" cols="72">--
Andrew J. Pounds, Ph.D. (<a class="moz-txt-link-abbreviated" href="mailto:pounds_aj@mercer.edu">pounds_aj@mercer.edu</a>)
Professor of Chemistry and Computer Science
Mercer University, Macon, GA 31207 (478) 301-5627
<a class="moz-txt-link-freetext" href="http://faculty.mercer.edu/pounds_aj">http://faculty.mercer.edu/pounds_aj</a>
</pre>
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