document.write( "Question 1056637: A lab technician wants to mix some amount of a 15% acid solution and another amount of a 25% acid solution so that his resultant mixture is 80 mL of a 22% acid solution. What volume of the 15% acid solution and 25% acid solution is required? \n" ); document.write( "
Algebra.Com's Answer #671726 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A lab technician wants to mix some amount of a 15% acid solution and another amount of a 25% acid solution so that his resultant mixture is 80 mL of a 22% acid solution. What volume of the 15% acid solution and 25% acid solution is required? \n" ); document.write( "-------------------- \n" ); document.write( "acid + acid = acid \n" ); document.write( "---- \n" ); document.write( "0.15x + 0.25(80-x) = 0.22*80 \n" ); document.write( "---------------------------------- \n" ); document.write( "15x + 25*80 - 25x = 22*80 \n" ); document.write( "-10x = -3*80 \n" ); document.write( "----- \n" ); document.write( "x = 24 mL (amt. of 15% solution needed) \n" ); document.write( "80-x = 56 mL (amt. 25% solution needed) \n" ); document.write( "------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |