Is KNO3 an electrolyte?
When in doubt, look at the reactants that produce the substance. Potassium nitrate, KNO3, is produced in solution by mixing potassium hydroxide, KOH, and nitric acid, HNO3, which are both strong electrolytes, and so is potassium nitrate. Two strong electrolytes will produce a strong electrolyte, a weak and a strong electrolyte will produce a weak electrolyte, and two weak electrolytes will produce a weak electrolyte. ...