document.write( "Question 948838: How much 20% HCI solution and 40% hci solution must be mixed together to make 400 millileters of 35% hci solution \n" ); document.write( "
| Algebra.Com's Answer #579243 by stanbon(75887)      You can put this solution on YOUR website! How much 20% HCI solution and 40% hci solution must be mixed together to make 400 millileters of 35% hci solution \n" ); document.write( "------------- \n" ); document.write( "Equation: \n" ); document.write( "acid + acid = acid \n" ); document.write( "------------------------------- \n" ); document.write( "0.20x + 0.40(400-x) = 0.35*400 \n" ); document.write( "------- \n" ); document.write( "20x + 40*400 - 40x = 35*400 \n" ); document.write( "-20x = -5*400 \n" ); document.write( "x = (1/4)400 \n" ); document.write( "x = 100 ml (amt. of 20% solution needed) \n" ); document.write( "400-x = 300 ml (amt. of 40% solution needed) \n" ); document.write( "---- \n" ); document.write( "''''''''''''''''''''''''''''''''''''''''''''''''' \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |