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<div class="moz-cite-prefix">Here is some help for those of you that
have not yet successfully complete the freezing point depression
prelab...<br>
<br>
Remember, <br>
<br>
<img style="vertical-align: middle"
src="cid:part1.04080107.09010107@mercer.edu" alt="$\Delta T =
k_f m$"> where m is the molality (moles of solute divided by
the kilograms of solvent).<br>
<br>
<img style="vertical-align: middle"
src="cid:part2.08000208.05000706@mercer.edu" alt="$\frac{(\Delta
T )(\mathrm{kg\ \ of\ \ solvent})}{k_f} = \mathrm{moles\ of\
solute}$"><br>
<br>
Once you calculate the moles of solute use that value and the mass
of solute to determine the molar mass of the solute.<br>
<br>
<br>
On 06/28/13 13:22, wrote:<br>
</div>
<blockquote
cite="mid:C40B2F181831EF44A88CD735258278030261C41989@MERCERMAIL.MercerU.local"
type="cite">
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<div>Okay, thank you so much! </div>
<div><br>
</div>
<div><br>
</div>
<div><br>
<div style="text-align: left;direction: ltr; "><br>
</div>
</div>
<div><br>
On Jun 28, 2013, at 1:22 PM, "Andrew J. Pounds" <<a
moz-do-not-send="true" href="mailto:pounds_aj@mercer.edu">pounds_aj@mercer.edu</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div><span>Let me get to computer where I can log into
BlackBoard and I'll see what you have already done.</span><br>
<span></span><br>
<span></span><br>
<span>On 06/28/13 13:18, wrote:</span><br>
<blockquote type="cite"><span>Dr. Pounds,</span><br>
</blockquote>
<blockquote type="cite"><span> I have tried multiple times
on this pre-lab and on the question that's asking for the
molar mass of the solute, I can't seem to get right. I'm
using the formal you gave us at the end of class and I'm
doing something wrong. Could you explain the steps so I
can see where I'm getting it wrong in my calculations?</span><br>
</blockquote>
<blockquote type="cite"><span></span><br>
</blockquote>
<blockquote type="cite"><span>Thank You,</span><br>
</blockquote>
<blockquote type="cite"><span> </span><br>
</blockquote>
<span></span><br>
<span></span><br>
<span>-- </span><br>
<span>Andrew J. Pounds, Ph.D. (<a moz-do-not-send="true"
href="mailto:pounds_aj@mercer.edu">pounds_aj@mercer.edu</a>)</span><br>
<span>Professor of Chemistry and Computer Science</span><br>
<span>Mercer University, Macon, GA 31207 (478) 301-5627</span><br>
<span><a moz-do-not-send="true"
href="http://faculty.mercer.edu/pounds_aj">http://faculty.mercer.edu/pounds_aj</a></span><br>
<span></span><br>
<span></span><br>
</div>
</blockquote>
</blockquote>
<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>
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