document.write( "Question 944407: A chemist needs to create a 20% acid solution. She has 4L of a 30% acid solution in a 20-L container. How much water should she mix with this solution to decrease the concentration to the desired 20%? \n" ); document.write( "
Algebra.Com's Answer #575842 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A chemist needs to create a 20% acid solution. She has 4L of a 30% acid solution in a 20-L container. How much water should she mix with this solution to decrease the concentration to the desired 20%? \n" ); document.write( "---------- \n" ); document.write( "Add W liters of water \n" ); document.write( "30*4 + 0*W = 20*(W + 4) \n" ); document.write( " \n" ); document.write( " |