At what molarity will 0.100 M Ca²+ begin to precipitate out of a solution of MgSO4? (Ksp of CaSO4-2.4x10-5) 2.4x10-4M MgSO4 2.4x10-5M MgSO4 5.8x10-10M MgSO4 1.2x10-5M MgSO4

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At what molarity will 0.100 M Ca²⁺ begin to precipitate out of a solution of MgSO₄? (Ksp of CaSO₄ = 2.4 x 10⁻⁵)

Options:
- 2.4 x 10⁻⁴ M MgSO₄
- 2.4 x 10⁻⁵ M MgSO₄
- 5.8 x 10⁻¹⁰ M MgSO₄
- 1.2 x 10⁻⁵ M MgSO₄

This question aims to determine the concentration of MgSO₄ at which calcium sulfate (CaSO₄) begins to precipitate, given a fixed concentration of calcium ions (Ca²⁺) and the solubility product constant (Ksp) for CaSO₄.
Transcribed Image Text:At what molarity will 0.100 M Ca²⁺ begin to precipitate out of a solution of MgSO₄? (Ksp of CaSO₄ = 2.4 x 10⁻⁵) Options: - 2.4 x 10⁻⁴ M MgSO₄ - 2.4 x 10⁻⁵ M MgSO₄ - 5.8 x 10⁻¹⁰ M MgSO₄ - 1.2 x 10⁻⁵ M MgSO₄ This question aims to determine the concentration of MgSO₄ at which calcium sulfate (CaSO₄) begins to precipitate, given a fixed concentration of calcium ions (Ca²⁺) and the solubility product constant (Ksp) for CaSO₄.
Expert Solution
Step 1: Determine the given values

K subscript s p space end subscript space o f space C a S O subscript 4 space equals space 2.4 space cross times 10 to the power of negative 5 end exponent
T h e space m o l a r i t y space o f space C a to the power of 2 plus end exponent space equals space 0.100 space M

W e space h a v e space t o space c a l c u l a t e space t h e space m o l a r i t y space o f space M g S O subscript 4 space a t space w h i c h space 0.100 space M thin space C a to the power of 2 plus end exponent space w i l l space b e g i n space t o space p r e c i p i t a t e.

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