document.write( "Question 277154: How much acid must be added to 75 grams of solution that is 65% acid to obtain a new solution that is 75% acid? \n" ); document.write( "
Algebra.Com's Answer #201817 by CharlesG2(834)![]() ![]() ![]() You can put this solution on YOUR website! How much acid must be added to 75 grams of solution that is 65% acid to obtain a new solution that is 75% acid?\r \n" ); document.write( "\n" ); document.write( "% in A * amount A + % in B * amount B = % in C * amount C \n" ); document.write( "100% * x + 65% * 75 = 75% * (x + 75) \n" ); document.write( "x + (0.65)(75) = 0.75x + (0.75)(75) \n" ); document.write( "x + 48.75 = 0.75x + 56.25 \n" ); document.write( "0.25x = 7.5 \n" ); document.write( "x = 30 grams \n" ); document.write( " \n" ); document.write( " |