Lead Sulfate Precipitation

Pb(NO3)2 + Na2SO4 → PbSO4↓ + 2NaNO3

개요

Lead nitrate reacts with sodium sulfate to form a white precipitate of lead sulfate (Ksp = 2.5 × 10⁻⁸). PbSO₄ is the discharged form of lead-acid battery electrodes. The mineral form is anglesite, named after Anglesey in Wales.

참여 물질

역할 물질 계수 상태
반응물 Sodium Sulfate Na₂SO₄ 1 (aq)
생성물 Sodium Nitrate NaNO₃ 2 (aq)

일상 속 예시

When a car battery dies, both electrodes have converted to lead sulfate in a process called sulfation, which is reversed by charging.

산업적 중요성

납축전지 방전 생성물로, 충전 효율 및 전지 수명에 영향을 줍니다. 황산 폐수에서 납 이온 침전 제거에도 활용됩니다.

성질

유형
Precipitation
가역 반응
아니오
에너지
발열
ΔH
-19.0 kJ/mol

관련 반응

Aluminum Hydroxide Precipitation Barium Carbonate Precipitation Barium Sulfate Precipitation Cadmium Sulfide Precipitation (Yellow) Calcium Fluoride Precipitation (Fluorite) Calcium Phosphate Precipitation (Bone Mineral) Chromium(III) Hydroxide Precipitation Lead Carbonate Precipitation Lead Chloride Precipitation Iron(III) Hydroxide Precipitation

Frequently Asked Questions

What is the equation for Lead Sulfate Precipitation?
The balanced equation is: Pb(NO₃)₂ + Na₂SO₄ → PbSO₄↓ + 2NaNO₃.
What type of reaction is Lead Sulfate Precipitation?
Lead Sulfate Precipitation is a precipitation reaction.
Is Lead Sulfate Precipitation exothermic or endothermic?
Lead Sulfate Precipitation is exothermic (releases energy). The enthalpy change (ΔH) is -19.0 kJ/mol.