document.write( "Question 802208: Phil has a 10% acid solution, but he wants to increase the strength to 20%. If he has 50 g of the solution, how much acid must he add? \n" ); document.write( "
Algebra.Com's Answer #483799 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! w = grams of the acid to add, strenth 100%.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve for w.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The suggestion occurred, to make a gridded table of data to help in setting up the equation:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "_________________10%______________100%______________20% \n" ); document.write( "Mass Acid_______(0.10)50__________(1.00)w__________(50+w)*(0.20) \n" ); document.write( "Mass Soln_______50________________w_________________50+w \n" ); document.write( " |