STANDARD Chemistry Solubility and Conductance MCQ Question
The specific conductance of a saturated solution of AgCl at 25°C is 1.821 × 10⁻⁵ mho cm⁻¹. What is the solubility of AgCl in water (in g L⁻¹), if limiting molar conductivity of AgCl is 130.26 mho cm² mol⁻¹?
1.89 × 10⁻³ g L⁻¹
2.78 × 10⁻² g L⁻¹
2.004 × 10⁻² g L⁻¹
1.43 × 10⁻³ g L⁻¹
Correct Answer
Detailed Explanation
Solubility is calculated using the formula S = κ / Λₘ. Substituting the given values, S = 1.821 × 10⁻⁵ / 130.26 × 10⁻⁴ = 2.004 × 10⁻² g L⁻¹.
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