ksp caf2 = 3,2 × 10^-11, kelarutan CaF2 dalam air sebesar...
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kai25
Pertanyaan
ksp caf2 = 3,2 × 10^-11, kelarutan CaF2 dalam air sebesar...
2 Jawaban
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1. Jawaban AC88
Ksp = 4s³
3.2 . 10⁻¹¹ = 4s³
s³ = 0.8 . 10⁻¹¹
s = 2 . 10⁻⁴ M ⇒ Jawab -
2. Jawaban whongaliem
CaF2 ⇒ Ca 2+ + 2.F-
s s 2s
Ksp = (s)(2s)²
3,2 x 10^ -11 = (s) (4s²
3,2 x 10^ -11 = 4 s³
s³ = (3,2 x 10^ -11) / 4
s³ = 0, 8 x 10^ -11
s³ = 8 x 10^ -12
s = ∛(8 x 10^ -12)
s = 2 x 10^ -4