document.write( "Question 933518: How much of an 18% solution of sulfuric acid should be added to 380ml of a 10% solution to obtain a 15% solution?\r
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document.write( "Please help - I'm totally stumped! \n" );
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Algebra.Com's Answer #566850 by mananth(16946)![]() ![]() You can put this solution on YOUR website! --- percent ---------------- Amount \n" ); document.write( "acid type I 10 ---------------- 380 ml \n" ); document.write( "acid type II 18 ---------------- x ml \n" ); document.write( "Mixture 15 ---------------- 380 + x ml \n" ); document.write( " \n" ); document.write( "10 * 380 + 18 x = 15 ( 380 + x ) \n" ); document.write( "3800 + 18 x = 5700 + 15 x \n" ); document.write( "18 x -15 x = -3800 + 5700 \n" ); document.write( "3 x = 1900 \n" ); document.write( "/ 3 \n" ); document.write( "x = 633.33 ml acid type II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |