document.write( "Question 837009: In your chemistry lab, you have a bottle of 2% hydrochloric acid solution and a bottle of 6% hydrochloric solution. You need 100 millimeters of 3% hydrochloric acid solution for an experiment. How many millimeters of each solution do you need to mix together? \n" ); document.write( "
Algebra.Com's Answer #504443 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In your chemistry lab, you have a bottle of 2% hydrochloric acid solution and a bottle of 6% hydrochloric solution. You need 100 millimeters of 3% hydrochloric acid solution for an experiment. How many millimeters of each solution do you need to mix together? \n" ); document.write( "---------- \n" ); document.write( "Equation: \n" ); document.write( "acid + acid = acid \n" ); document.write( "0.02x + 0.06(100-x) = 0.03*100 \n" ); document.write( "------------------ \n" ); document.write( "2x + 6*100 - 6x = 3*100 \n" ); document.write( "-4x = -3*100 \n" ); document.write( "------- \n" ); document.write( "x = (3/4)100 \n" ); document.write( "------- \n" ); document.write( "x = 75 ml (amt. of 2% solution needed) \n" ); document.write( "----- \n" ); document.write( "100-x = 25 ml (amt. of 6% solution needed) \n" ); document.write( "============================================= \n" ); document.write( "Cheers, \n" ); document.write( "stan H. \n" ); document.write( "-------------------- \n" ); document.write( " |