Calculate the molar solubility of BaCO₃ (K_sp = 1.6 × 10^-9) in a 0.42M BaCl₂ solution.

Name: Calculate the molar solubility of BaCO 3 (K sp = 1.6 × 10 -9 ) in a 0.42M BaCl 2 solution.
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Question

Quizplus · Accepted Answer

The common ion effect from BaCl₂ reduces the solubility of BaCO₃. The solubility product expression is Ksp = [Ba²⁺][CO₃²⁻]. In a 0.42M BaCl₂ solution, [Ba²⁺] is approximately 0.42M. Solving 1.6 × 10⁻⁹ = (0.42)[CO₃²⁻] gives [CO₃²⁻] = 3.8 × 10⁻⁹ M.

Calculate the Molar Solubility of BaCO3 (Ksp = 1

Calculate the Molar Solubility of BaCO₃ (K_sp = 1