ÿþ<html> <head> <title>Lab 13</title> </head> <body bgcolor=lightgreen> <center><table width=600 border=0><tr><td> <table border=1 cellspacing=0 cellpadding=0 bgcolor=silver style='background: silver;border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt; mso-padding-alt:0in 5.4pt 0in 5.4pt'> <tr> <td width=590 valign=top style='width:6.15in;border:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><b><span style='font-size:20.0pt;mso-bidi-font-size:12.0pt'>PERFORMANCE ASSIGNMENT<span style="mso-spacerun: yes">             </span><o:p></o:p>Lab 13</span></b></p> </td> </tr> </table> <h1>Determining the Percent Yield<br>When Mixing Solutions</h1><hr color=#990000> <h2>Procedure</h2> <center><table width=550> <tr><td width=30>1.</td><td>Find the mass of a clean beaker and record.</td></tr> <tr><td width=30>2.</td><td>Using the red graduates, pour 15 ml of 3M HCl into the beaker.</td></tr> <tr><td width=30>3.</td><td>Using the plastic graduates, pour 20 ml of 2M NaOH into the beaker.</td></tr> <tr><td width=30>4.</td><td>Evaporate the liquid off, leaving a solid product.</td></tr> <tr><td width=30>5.</td><td>Record the mass of the beaker and solid.</td></tr> </table></center> <h2>Data Table</h2> <center><table width=500 border=1> <tr><td width=200>Mass of Beaker</td><td>&nbsp;</td></tr> <tr><td width=200>Mass of Beaker and Product</td><td>&nbsp;</td></tr> <tr><td width=200>Mass of Product</td><td>&nbsp;</td></tr> </table></center> <h2>Calculations</h2> <center><table width=550> <tr><td width=30 valign=top>1.</td><td>Write a balanced chemical equation.<br><br><br></td></tr> <tr><td width=30 valign=top>2.</td><td>Find the limiting reactant.<br><br><br></td></tr> <tr><td width=30 valign=top>3.</td><td>Calculate the theoretical yield for the solid product.<br><br><br></td></tr> <tr><td width=30 valign=top>4.</td><td>Calculate the perent yield of the product.<br><br><br></td></tr> <tr><td width=30 valign=top>5.</td><td>Address any sources for error in your lab work.<br><br><br></td></tr> </table></center> <hr color=#990000> </td></tr></table></center> </body> </html>