document.write( "Question 438068: How many liter of pure hydrochloric acid must be added to 60 liters of solution that is 10% hydrochloric acid to get a solution that is 15% hydrochloric acid? \n" ); document.write( "
Algebra.Com's Answer #303047 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! How many liter of pure hydrochloric acid must be added to 60 liters of solution \n" ); document.write( "that is 10% hydrochloric acid to get a solution that is 15% hydrochloric acid? \n" ); document.write( ": \n" ); document.write( "Let x = amt of pure acid required \n" ); document.write( ": \n" ); document.write( ".10(60) + x = .15(x+60) \n" ); document.write( ": \n" ); document.write( "6 + x = .15x + 9 \n" ); document.write( "x - .15x = 9 - 6 \n" ); document.write( ".85x = 3 \n" ); document.write( "x = \n" ); document.write( "x ~ 3.53 liters of pure acid \n" ); document.write( " |