document.write( "Question 475050: I'm making a cleaning solution requiring 2% alcohol, my isopropyl alcohol is 70%
\n" );
document.write( "how much water do I add to the 70% solution to create 2%, please. \n" );
document.write( "
Algebra.Com's Answer #325750 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! I'm making a cleaning solution requiring 2% alcohol, my isopropyl alcohol is 70% \n" ); document.write( "how much water do I add to the 70% solution to create 2%, please. \n" ); document.write( "-------------------- \n" ); document.write( "It depends on how much you have, or how much you want. \n" ); document.write( "----------- \n" ); document.write( "If you have v liters (or gallons, any units) of 70%, then there's 0.7v of alcohol in it. \n" ); document.write( "For 0.7v to be 2%, then \n" ); document.write( "total volume = 0.7v/0.02 = 35v units \n" ); document.write( "You add 34v units of water, 34 times whatever your original volume is. \n" ); document.write( "You use 34 units of water for each unit of 70% solution. \n" ); document.write( " \n" ); document.write( " |