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Author Question: Iron in the form FeCl2 can be determined by titration with potassium dichromate: 6 FeCl2(aq) + ... (Read 64 times)

geodog55

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on: Jul 8, 2021
Iron in the form FeCl2 can be determined by titration with potassium dichromate:

6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) → 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l)

An iron sample of mass 0.800 g required 18.80 mL of 0.0120 M K2Cr2O7(aq) to reach the end point. How many moles of FeCl2 were in the sample?
◦ 1.43 × 10-2 mol
◦ 1.35 × 10-3 mol
◦ 3.75 × 10-5 mol
◦ 2.26 × 10-4 mol
◦ 1.13 × 10-4 mol
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by geodog55 on Jul 8, 2021

nyrave

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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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geodog55

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it

Dominic

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Reply 3 on: Yesterday
Wow, this really help

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