document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813420>Question 813420</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sketch the titration curve (volume versus pH) for the addition of 0.50 M NaOH to 20.0 mL of 0.20 M HCl.\r<BR>\n" );
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document.write( "Mark clearly the starting point and the half-equivalence point and the pH and calculate their values.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489740 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=489740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The equivalence point volume would be when the moles of added NaOH and already-present HCl match.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.5v=0.2%2A20 ALIGN=MIDDLE  ALT=\"0.5v=0.2%2A20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=0.2%2A20%2F0.5 ALIGN=MIDDLE  ALT=\"v=0.2%2A20%2F0.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=4%2F0.5=4%2A2=8 ALIGN=MIDDLE  ALT=\"v=4%2F0.5=4%2A2=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28v=8%29 ALIGN=MIDDLE  ALT=\"highlight%28v=8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ml.\r<BR>\n" );
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document.write( "Titrant volumes less than 8 ml. will keep HCl in excess and the pH will be directly from the excess HCl.  Titrant volumes larger than 8 ml. will ensure that NaOH is in excess and so pH will be based on the NaOH present in excess.\r<BR>\n" );
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document.write( "Your volume increments to use for data point calculations could be 1 mililiter increments, but you might choose a different increment, or more than just one size increment. </SPAN>\n" );
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