document.write( "Question 626808: If I have 2 liters of a 7% solution what is the amount and concentration I must add in order to end up with a 32% solution? \n" ); document.write( "
Algebra.Com's Answer #394460 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! If I have 2 liters of a 7% solution what is the amount and concentration \n" ); document.write( " I must add in order to end up with a 32% solution? \n" ); document.write( ": \n" ); document.write( "You should know what concentration is available, assume a 40% solution \n" ); document.write( "let x = amt of 40% concentration \n" ); document.write( ": \n" ); document.write( ".07(2) + .40x = .32(x+2) \n" ); document.write( ".14 + .40x = .32x + .64 \n" ); document.write( ".40x - .32x = .64 - .14 \n" ); document.write( ".08x = .50 \n" ); document.write( "x = .50/.08 \n" ); document.write( "x = 6.25 liters of the 40% solution \n" ); document.write( " |