Hydrofluoric Acid and Sodium Hydroxide

HF + NaOH → NaF + H2O

نظرة عامة

Hydrofluoric acid, despite being a weak acid (Ka = 6.8 × 10⁻⁴), reacts completely with sodium hydroxide to form sodium fluoride and water. HF is unusually dangerous among weak acids because it penetrates skin and causes deep tissue burns by binding calcium ions in bones. The high heat of neutralization reflects the strong H-F bond.

المشاركون

الدور المادة المعامل الحالة
متفاعل Hydrofluoric Acid HF 1 (aq)
متفاعل Sodium Hydroxide NaOH 1 (aq)
منتج Water H₂O 1 (l)

مثال من الحياة اليومية

Sodium fluoride from this reaction is the form of fluoride added to municipal water supplies and toothpaste for dental protection.

الأهمية الصناعية

HF is essential for glass etching, semiconductor manufacturing, petroleum refining, and uranium processing. Its safe handling requires specialized training.

الخصائص

النوع
Acid-Base
قابل للعكس
لا
الطاقة
طارد للحرارة
ΔH
-68,6 kJ/mol

التفاعلات ذات الصلة

Hydrochloric Acid and Barium Hydroxide Acetic Acid and Sodium Acetate Buffer System Acetic Acid Dissociation in Water Ammonia and Hydrochloric Acid Ascorbic Acid and Sodium Hydroxide Barium Hydroxide and Ammonium Thiocyanate (Endothermic) Carbonic Acid and Sodium Hydroxide Aluminum Hydroxide as Amphoteric Acid with NaOH Aluminum Chloride and Chloride Ion (Lewis Acid-Base) Formic Acid and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Hydrofluoric Acid and Sodium Hydroxide?
The balanced equation is: HF + NaOH → NaF + H₂O.
What type of reaction is Hydrofluoric Acid and Sodium Hydroxide?
Hydrofluoric Acid and Sodium Hydroxide is a acid-base reaction.
Is Hydrofluoric Acid and Sodium Hydroxide exothermic or endothermic?
Hydrofluoric Acid and Sodium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -68.6 kJ/mol.