SO if you inhale 20 times per minutes (60 seconds/3). So every hour you inhale 1,200 times. Multiply that by 24 to get the number of times you inhale per day.
In a .3M KNO3 solution, the KNO3 is dissolved in water. Water is the solvent and KNO3 is the solute, because the solute is what is dissolved. Also, all potassium compounds and nitrate compounds are soluble, so you know that KNO3 dissociates into K+ and NO3- in water.