(CaF 2) = 4.0 x 10-11) Calculate the molar solubility of CaF 2 in a 0.25 M solution of NaF(aq). (K sp 1.3 x 10-5 M 6.4 x 10-10 M 1.6 x 10-10 M 4.0 x 10-11 M 2.2 x 104 M

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Question 14

 

**Question 14:**

Calculate the molar solubility of CaF₂ in a 0.25 M solution of NaF(aq). (Kₛₚ (CaF₂) = 4.0 x 10⁻¹¹)

- 1.3 x 10⁻⁵ M
- 6.4 x 10⁻¹⁰ M
- 1.6 x 10⁻¹⁰ M
- 4.0 x 10⁻¹¹ M
- 2.2 x 10⁻⁴ M

**Question 15:**

For which type of titration will the pH be basic at the equivalence point?

- None of the above
- Weak acid vs. strong base
Transcribed Image Text:**Question 14:** Calculate the molar solubility of CaF₂ in a 0.25 M solution of NaF(aq). (Kₛₚ (CaF₂) = 4.0 x 10⁻¹¹) - 1.3 x 10⁻⁵ M - 6.4 x 10⁻¹⁰ M - 1.6 x 10⁻¹⁰ M - 4.0 x 10⁻¹¹ M - 2.2 x 10⁻⁴ M **Question 15:** For which type of titration will the pH be basic at the equivalence point? - None of the above - Weak acid vs. strong base
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