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Author Question: A sample of water has hardness expressed as 81 ppm Ca2+(aq). The sample is passed through an ion ... (Read 43 times)

darbym82

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on: Jul 8, 2021
A sample of water has hardness expressed as 81 ppm Ca2+(aq). The sample is passed through an ion exchange column and the Ca2+(aq) ions are replaced by H+(aq) ions. What is the pH of the water after it has been treated? (1 ppm = 1 g solute/106 g solution)
◦ 2.50 ppm
◦ 1.10 ppm
◦ 0.79 ppm
◦ 2.39 ppm
◦ 2.70 ppm
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by darbym82 on Jul 8, 2021

kaylee05

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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darbym82

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Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

sultana.d

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Reply 3 on: Yesterday
Excellent

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