Determine the ksp for magnesium hydroxide (mg (oh) 2) where the solubility of mg (oh) 2 is 1.4 ⋅ 10-4 m. determine the ksp for magnesium hydroxide (mg (oh) 2) where the solubility of mg (oh) 2 is 1.4 10-4 m. 1.4 ⋅ 10-4 3.9 ⋅ 10-8 2.7 ⋅ 10-12 1.1 ⋅ 10-11 2.0 ⋅ 10-8

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Chemistry

Emery Kane

7 October, 00:33

Determine the ksp for magnesium hydroxide (mg (oh) 2) where the solubility of mg (oh) 2 is 1.4 ⋅ 10-4 m. determine the ksp for magnesium hydroxide (mg (oh) 2) where the solubility of mg (oh) 2 is 1.4 10-4 m. 1.4 ⋅ 10-4 3.9 ⋅ 10-8 2.7 ⋅ 10-12 1.1 ⋅ 10-11 2.0 ⋅ 10-8

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Jacquelyn Whitaker · Answer 1

Answer is: Ksp for magnesium hydroxide is 1,1·10⁻¹¹.

Chemical reaction: Mg (OH) ₂ (s) → Mg²⁺ (aq) + 2OH⁻ (aq).

s (Mg (OH) ₂) = 1,4·10⁻⁴ M.

s (Mg (OH) ₂) = s (Mg²⁺).

s (OH⁻) = 2s (Mg (OH) ₂).

Ksp = s (Mg²⁺) · (s (OH⁻)) ².

Ksp = 1,4·10⁻⁴ M · (2,8·10⁻⁴ M) ².

Ksp = 1,1·10⁻¹¹.