Which of the following substances is a weak electrolyte? HCl HF KOH KNO₃ Javobni ko'rsatish 📝 Batafsil tushuntirish Hydrofluoric acid (HF) is a weak acid that does not fully dissociate in water, unlike strong acids (HCl), strong bases (KOH), or soluble salts (KNO₃).