document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=885609>Question 885609</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many milliliters of pure acid must be added to 150 milliliters of a 60% solution of add to obtain a 70% solution? </SPAN>\n" );
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document.write( "let x=amt of pure acid to add<BR>\n" );
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document.write( "100%x+60%*150=70%(x+150)<BR>\n" );
document.write( "x+90=.70x+105<BR>\n" );
document.write( "0.30x=15<BR>\n" );
document.write( "x=50<BR>\n" );
document.write( "amt of pure acid to add=50 mm </SPAN>\n" );
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