Please see screenshot for question ### Educational Transcription#### Chemistry Problem Set**Question 18:** The solubility of a compound \((X_2S)\) is \(1.3 \times 10^{-4}\) M at 298K. Calculate the \(K_{sp}\) for this compound. Options: A. \(1.7 \times 10^{-8}\) B. \(8.8 \times 10^{-12}\) C. \(2.8 \times 10^{-7}\) D. \(5.9 \times 10^{-10}\) E. None of the others **Question 19:** What is the expression for molar solubility, \(s\), in terms of \(K_{sp}\) for \(Ba_3(PO_4)_2\)? Options: A. \(s = (K_{sp}/108)^{\frac{1}{3}}\) B. \(s = (K_{sp}/9)^{\frac{1}{2}}\) C. \(s = (K_{sp})^{\frac{1}{2}}\) D. None of the others E. \(s = (K_{sp}/4)^{\frac{1}{3}}\)**Question 20:** You titrate 5mL of 0.1M HCl with 1mL NaOH 0.1M. The titrate is: Options: A. NaOH B. None of the others C. HCl **Question 21:** Fill the missing information in the table:\[\begin{array}{c|c|c|c}[H^+], \text{M} & [OH^-], \text{M} & \text{pH} & \text{pOH} \\\hline1 \times 10^{-4} & \_\_\_\_ & \_\_\_\_ & \_\_\_\_ \\\_\_\_\_ & \_\_\_\_ & 5 & \_\_\_\_ \\\end{array}\]**Note:** Should you need further explanation, additional resources are available upon request.

Hii there, since there are multiple questions posted. We are answering first question. If you need further questions to be answered please repost the question with specific question number.Given: solubility of compound (X2S) = s = 1.3×10-4 M The dissociation of compound is given by, X2S→2X-+S-2 2s s Expression for Ksp is given by, Ksp=[X-]2[S-2]Ksp=(2s)2(s)Ksp=4s3Calculation for Ksp value: Ksp=4s3Ksp=4(1.3×10-4 M)3 Ksp=8.788×10-12≈8.8×10-12 Answer: B) 8.8×10-12

Answered: The solubility of a compound (X2S) is…

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Chemistry

The solubility of a compound (X2S) is 1.3 x 10–4 M at 298K. Ksp for this compound is: ]1.7 × 10-8 ]None of the others B8.8 x 10-12 2.8 x 10-7 D5.9 × 10–10

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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