document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889983>Question 889983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 	A class of nursing students will perform an experiment wherein they will need a solution of 160 cubic centimetres that is 12% hydrochloric acid.  If the laboratory storeroom has only solutions containing 20% and 10% hydrochloric acid, how much of each available solution should be mixed to obtain the desired solution containing 12% hydrochloric acid. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #538602 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=538602\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A class of nursing students will perform an experiment wherein they will need a solution of 160 cubic centimetres that is 12% hydrochloric acid. If the laboratory storeroom has only solutions containing 20% and 10% hydrochloric acid, how much of each available solution should be mixed to obtain the desired solution containing 12% hydrochloric acid.<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
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document.write( "0.20x + 0.10(160-x) = 0.12*160<BR>\n" );
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document.write( "20x + 10*160 - 10x = 12*160<BR>\n" );
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document.write( "10x = 2*160<BR>\n" );
document.write( "x = 32 cc (amt. of 20% solution needed)<BR>\n" );
document.write( "160-x = 128 cc (amt. of 10% solution needed<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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