Find the molar solubility of srco3 (ksp = 5.4 * 10-10) in pure water.

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Chemistry

Mara

29 September, 23:09

Find the molar solubility of srco3 (ksp = 5.4 * 10-10) in pure water.

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Gypsy · Answer 1

Answer is: molar solubility of strontium carbonate is 2.32·10⁻⁵ M.

Chemical reaction: SrCO ₃ (s) → Sr²⁺ (aq) + CO₃²⁻ (aq).

Ksp = 5.4·10⁻¹⁰.

s (SrCO₃) = ? M.

s (SrCO₃) = s (Sr²⁺) = s (CO₃²⁻) = x.

Ksp = s (Sr²⁺) · s (CO₃²⁻).

Ksp = x · x.

5.4·10⁻¹⁰ = x².

x = √5.4·10⁻¹⁰ = 2.32·10⁻⁵ M.