document.write( "Question 1207820: A laboratory has 60 cubic centimeters (cm^3) of a solution that is 40% HCl acid. How many cubic centimeters of a 15% solution of HCl acid should be mixed with the 60 cm^3 of 40% acid to obtain a solution of 25% HCl? How much of the 25% solution is there? \n" ); document.write( "
Algebra.Com's Answer #845935 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! To ignore denstities and choice between w/w, w/v;\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "60 volume units of 40 % solution; \n" ); document.write( "Solution available to mix, 15%; \n" ); document.write( "Mix result wanted, 25%.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "v, amount of the 15% solution to add and mix:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "..... maybe a little explanation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Amount of resulting solute: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Amount of resulting mixture: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As a rational expression, if 25% solution is wanted, this is 0.25. \n" ); document.write( "amount of solute as numerator and amount of final mixture as denominator \n" ); document.write( "must be equal to 0.25. \n" ); document.write( " |