What concentration of so32 - is in equilibrium with ag2so3 (s) and 9.50 * 10-3 m ag? the ksp of ag2so3 can be found here?

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Chemistry

Zachery Abbott

21 January, 21:29

What concentration of so32 - is in equilibrium with ag2so3 (s) and 9.50 * 10-3 m ag? the ksp of ag2so3 can be found here?

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Fletcher Maddox · Answer 1

Answer is: concentration of SO₃² is 1.66·10⁻¹⁰ M.

Reaction of dissociation: Ag₂SO₃ (s) → 2Ag⁺ (aq) + SO₃²⁻ (aq).

Ksp for silver sulfite is 1.5 ·10⁻¹⁴.

c (Ag⁺) = 9.50·10⁻³ M; equilibrium concentration of silver cations.

Ksp = c (Ag⁺) ² · c (SO₃²⁻).

c (SO₃²⁻) = Ksp : c (Ag⁺) ².

c (SO₃²⁻) = 1.5·10⁻¹⁴ M³ : (9.50·10⁻³ M) ².

c (SO₃²⁻) = 1.5·10⁻¹⁴ M³ : 9.025·10⁻⁵ M².

c (SO₃²⁻) = 1.66·10⁻¹⁰ M; equilibrium concentration of sulfite anions.