document.write( "Question 150851: Sulfuric acid (H2SO4) can be used to remove water from organic materials leaving behind a residue of black carbon. If beaker A contains a 15% solution of sulfuric acid and beaker B contains a 20% solution of sulfuric acid, how much from each beaker should be used to make 6 liters of a 18% solution of sulfuric acid?
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Algebra.Com's Answer #110808 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! In words: \n" ); document.write( "(liters of acid in beaker A) + (liters of acid in beaker B) / (total liters of solution in A and B) = % solution of acid \n" ); document.write( "Let A = liters of solution needed from beaker A \n" ); document.write( "Let B = liters of solution needed from beaker B \n" ); document.write( " \n" ); document.write( "Note that we are told \n" ); document.write( " \n" ); document.write( "Multiply both sides by \n" ); document.write( " \n" ); document.write( "And since \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Given is \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "2.4 liters of solution are needed from beaker A \n" ); document.write( "and 3.6 liters of solution are needed from beaker B \n" ); document.write( "check answer: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "OK \n" ); document.write( " \n" ); document.write( " |