document.write( "Question 783786: 3 L of an acid solution was mixed with 7 L of a 20 % acid solution to make a 41 % acid solution . Find the percent concentration of the first solution. \n" ); document.write( "
Algebra.Com's Answer #476907 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Make the rational equation which describes the two part mixture.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(amount of acid)/(amount of mixture)=fraction as acid.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let h = the percent concentration of the unknown acid solution.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve for h. \n" ); document.write( " |