document.write( "Question 552104: A chemist has two acid solutions. One solution is 20% pure acid and the other is 60% pure acid. How much of each is needed to produce 80cm^2 of a solution that is 45% pure acid.\r
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document.write( "Please help these word problems are driving me insane \n" );
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Algebra.Com's Answer #360126 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Acid type I 60 ---------------- x Cm^3 \n" ); document.write( "Acid type II 20 ---------------- 80 - x Cm^3 \n" ); document.write( "Mixture 45.00% ---------------- 80 \n" ); document.write( " \n" ); document.write( "60 x + 20 ( 80 - x ) = 45 * 80 \n" ); document.write( " \n" ); document.write( "60x+1600-20x=3600 \n" ); document.write( "60x-20x =3600-1600 \n" ); document.write( "40x =2000 \n" ); document.write( "/ 40 \n" ); document.write( "x = 50Cm^3 60.00% Acid type I \n" ); document.write( "30 Cm^3 20.00% Acid type II \n" ); document.write( " \n" ); document.write( " |