document.write( "Question 1002519: A chemist, has a 30% hydrochloric acid solution and a 55% hydrochloric acid solution. How many liters of each should she mix to get 320.313 liters of a hydrochloric acid solution with a 39% acid concentration?
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Algebra.Com's Answer #619393 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A chemist, has a 30% hydrochloric acid solution and a 55% hydrochloric acid solution. How many liters of each should she mix to get 320.313 liters of a hydrochloric acid solution with a 39% acid concentration? \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "acid + acid = acid \n" ); document.write( "0.30x + 0.55(320.313-x) = 0.39*320.313 \n" ); document.write( "------ \n" ); document.write( "30x + 55*320.313 - 55x = 39*320.313 \n" ); document.write( "----------- \n" ); document.write( "-25x = -16*320.313 \n" ); document.write( "------ \n" ); document.write( "x = 205 liters (amt of 30% solution needed) \n" ); document.write( "320.313-x = 115.313 liters (amt of 55% solution needed) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |