document.write( "Question 1151454: A solution containing a 9% concentration of acid is mixed with a solution containing a 5% concentration of acid to get 100mL of solution containing an 8% concentration of acid. How many mL of each solution is needed? \n" ); document.write( "
Algebra.Com's Answer #773195 by addingup(3677)![]() ![]() You can put this solution on YOUR website! 0.09x + (100-x)*0.05 = 100*0.08 \n" ); document.write( "0.09x + 5-0.05x = 8 \n" ); document.write( "0.04x + 5 = 8 \n" ); document.write( "x = 3/0.04 = 75 \n" ); document.write( "You need 75mL of the 9% solution and 25mL of the 5% solution \n" ); document.write( " \n" ); document.write( " |