document.write( "Question 550981: to make a weak solution of 24 liters of 4% acid,a lab technician will use some premixed solutions: one is 2% acid and the other is 5% acid. How many liters of each should he use to obtain the desired solution? \n" ); document.write( "
Algebra.Com's Answer #359312 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent percentage ---------------- quantity \n" ); document.write( "Acid type I 2 ---------------- x ml \n" ); document.write( "Acid type II 5 ---------------- 24 - x ml \n" ); document.write( "Mixture 4.00% ---------------- 24 \n" ); document.write( " \n" ); document.write( "2x+5(24-x)=4*24 \n" ); document.write( "2x+120-5x=96 \n" ); document.write( "2x-5x=96-120 \n" ); document.write( "-3x=-24 \n" ); document.write( "/-3 \n" ); document.write( "x=8ml 2.00% Acid type I \n" ); document.write( "16 ml 5.00% Acid type II \n" ); document.write( " \n" ); document.write( " |