document.write( "Question 785072: A chemist needs to dilute a 15% acid solution so that it contains 10% acid. How much pure water should be added to 200 milliliters of a 15% acid solution in order to reach her goal? \n" ); document.write( "
Algebra.Com's Answer #477347 by mananth(16946)![]() ![]() You can put this solution on YOUR website! --- percent ---------------- Amount \n" ); document.write( "Solution 15 ---------------- 200 ml \n" ); document.write( "Water 0 ---------------- x ml \n" ); document.write( "Mixture 10 ---------------- 200 + x ml \n" ); document.write( " \n" ); document.write( "15 * 200 + 0 x = 10 ( 200 + x ) \n" ); document.write( "3000 + 0 x = 2000 + 10 x \n" ); document.write( "0 x -10 x = -3000 + 2000 \n" ); document.write( "-10 x = -1000 \n" ); document.write( "/ -10 \n" ); document.write( "x = 100 ml Water \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |