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Exactly 1 litre of solution contains 0.018 mole of Ba2+ ions and 0.0018 mole of Pb2* ions. You wish to separate these ions by selective precipitation using the drop-wise addition of a solution of K2S0,. Explain, by using a full calculation, which of the salts BaSo, or PbSO, will precipitate first? Given: Kp (BaSo,) = 1.1 x 10-10 and Kp (PbS0,) = 1.6 x 10-8 %3D %3D

Exactly 1 litre of solution contains 0.018 mole of Ba2+ ions and 0.0018 mole of Pb2* ions. You wish to separate these ions by selective precipitation using the drop-wise addition of a solution of K2S0,. Explain, by using a full calculation, which of the salts BaSo, or PbSO, will precipitate first? Given: Kp (BaSo,) = 1.1 x 10-10 and Kp (PbS0,) = 1.6 x 10-8 %3D %3D

Chemistry
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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Question 3 – BaSO4 3.1 Exactly 1 litre of solution contains 0.018 mole of Ba2+ ions and 0.0018 mole of Pb²* ions. You wish to separate these ions by selective precipitation using the drop-wise addition of a solution of K2S0,. Explain, by using a full calculation, which of the salts BaSO, or PÞSO, will precipitate first? Given: Kp (BaS0,) = 1.1 × 10-10 and Ksp (PBSO,) = 1.6 × 10-8 %3D A voltaic cell is set up at 25 °C and delivers 0.060 V. One half cell contains an acidified solution of permanganate and manganese(II) ions, and the other half-cell is based on the following reaction: 3.2 Br05 (aq) + 6H30*(aq) + 6e¯ → Br¯(aq) + 9H20 (e), Eed = 1.44 V %3D 3.2.1 Write down the fully balanced cell-reaction equation. 3.2.2 (Mn²+]* What must the value of the ratio [MnO be if [Br0] =0.90 M, [Br¯] = 1.11 M, and the %3D pH = 0.60? %3D
Transcribed Image Text:Question 3 – BaSO4 3.1 Exactly 1 litre of solution contains 0.018 mole of Ba2+ ions and 0.0018 mole of Pb²* ions. You wish to separate these ions by selective precipitation using the drop-wise addition of a solution of K2S0,. Explain, by using a full calculation, which of the salts BaSO, or PÞSO, will precipitate first? Given: Kp (BaS0,) = 1.1 × 10-10 and Ksp (PBSO,) = 1.6 × 10-8 %3D A voltaic cell is set up at 25 °C and delivers 0.060 V. One half cell contains an acidified solution of permanganate and manganese(II) ions, and the other half-cell is based on the following reaction: 3.2 Br05 (aq) + 6H30*(aq) + 6e¯ → Br¯(aq) + 9H20 (e), Eed = 1.44 V %3D 3.2.1 Write down the fully balanced cell-reaction equation. 3.2.2 (Mn²+]* What must the value of the ratio [MnO be if [Br0] =0.90 M, [Br¯] = 1.11 M, and the %3D pH = 0.60? %3D
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