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Author Question: A sample of water has hardness expressed as 185 ppm Ca2+(aq). The sample is passed through an ion ... (Read 67 times)

panfilo

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on: Jul 8, 2021
A sample of water has hardness expressed as 185 ppm Ca2+(aq). The sample is passed through an ion exchange column and the Ca2+(aq) ions are replaced by Na+(aq) ions. What is the [Na+] in ppm of the water after it has been treated? (1 ppm = 1 g solute/106 g solution)
◦ 104 ppm
◦ 212 ppm
◦ 370 ppm
◦ 92.5 ppm
◦ 52.0 ppm
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by panfilo on Jul 8, 2021

guyanai

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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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panfilo

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Reply 2 on: Jul 8, 2021
Excellent

covalentbond

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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