What is meant by a #"20% solution"#? Chemistry Solutions Molarity 1 Answer anor277 Feb 17, 2017 Is the solution concentration #"Mass of solute"/"Mass of solution"#? Explanation: A #20%# (#"w/w")%# is #"weight %"#. It could be #"weight/volume"#. Only you know the required concentration. Answer link Related questions what is the molarity of 20.0 ml of a KCl solution that reacts completely with 30.0 ml of a 0.400... How can molarity and osmolarity be calculated from mass per unit volume? How can molarity be used as a conversion factor? How high can molarity be? How does molarity change with temperature? How do you find molarity of a solution? What is the molarity of 10 NaOH? What is the molarity of 3 hydrogen peroxide? What is the molarity of a solution that contains 3.2 mol of solute in 0.98 L of solution? What is molarity? See all questions in Molarity Impact of this question 3100 views around the world You can reuse this answer Creative Commons License