document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=759971>Question 759971</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much pure aci must be added to 2 liters of a 10% solution of acid to obtain a mixture that is 20% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #462321 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=462321\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much pure aci must be added to 2 liters of a 10% solution of acid to obtain a mixture that is 20% acid?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "1.00x + 0.10*2 = 0.20(x+2)<BR>\n" );
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document.write( "100x + 10*2 = 20x + 20*2<BR>\n" );
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document.write( "80x = 10*2<BR>\n" );
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document.write( "x = 1/4 liters (amt. of pure acid to add)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );