document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=742036>Question 742036</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a chemist wants to obtain 80 liters of a solution that is 12% hydrochloric acid. how many liters of 10% and 20% hydrochloric acid solutions should he mix to do so? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452252 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=452252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a chemist wants to obtain 80 liters of a solution that is 12% hydrochloric acid. how many liters of 10% and 20% hydrochloric acid solutions should he mix to do so?<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.10x + 0.20(80-x) = 0.12*80<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "10x + 20*80 - 20x = 12*80<BR>\n" );
document.write( "-10x = -8*80<BR>\n" );
document.write( "x = 64 liters (amt. of 10% solution needed)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "80-64 = 16 liters (amt. of 20% solution needed)<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );