document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=469851>Question 469851</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me in this problem, I need this tommorow: How much pure alcohol must be added to 25 mL of water to produce 50% alcoholic solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #322297 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=322297\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much pure alcohol must be added to 25 mL of water to produce 50% alcoholic solution?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "alcohol + alcohol = alcohol<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + 0*25 = 0.5(x+25)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by 100<BR>\n" );
document.write( "100x + 0 = 50x+50*25<BR>\n" );
document.write( "50x = 50*25<BR>\n" );
document.write( "x = 25mL (amt. of pure alcohol needed)<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );