document.write( "Question 990028: determine the number of milliliters of a 70% sulfuric acid solution that must be added to 160 milliliters of a 25% solution to make a 30% solution \n" ); document.write( "
Algebra.Com's Answer #610138 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! determine the number of milliliters of a 70% sulfuric acid solution that must be added to 160 milliliters of a 25% solution to make a 30% solution \n" ); document.write( "----- \n" ); document.write( "Equation: \n" ); document.write( "acid + acid = acid \n" ); document.write( "0.25*160 + 0.70x = 0.30(160+x) \n" ); document.write( "------ \n" ); document.write( "25*160 + 70x = 30*160 + 30x \n" ); document.write( "40x = 5*160 \n" ); document.write( "x = 20 ml (amt. of 70% solution to add) \n" ); document.write( "----------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------- \n" ); document.write( " |