document.write( "Question 323909: chandra has 3 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 7 liters of 34% solution? \n" ); document.write( "
Algebra.Com's Answer #231806 by mananth(16946)![]() ![]() You can put this solution on YOUR website! chandra has 3 liters of a 14% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 7 liters of 34% solution?\r \n" ); document.write( "\n" ); document.write( "3 liters 14% \n" ); document.write( "total is 7 liters \n" ); document.write( "so 4 liters x% \n" ); document.write( ".. \n" ); document.write( "Total 7 liters 34% \n" ); document.write( ".. \n" ); document.write( "Equation for concentration \n" ); document.write( "3*0.14 +4*0.01x = 7*0.34 \n" ); document.write( "0.42+0.04x=2.38 \n" ); document.write( "0.04x=2.38-0.42 \n" ); document.write( "0.04x= 1.96 \n" ); document.write( "x= 49% and 4 liters is to be added \n" ); document.write( " |