황산납 침전

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 황산나트륨 Na₂SO₄ 1 (aq)
생성물 질산나트륨 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.

자주 묻는 질문

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