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Author Question: One method of determining the concentration of hydrogen peroxide (H2O2) in a solution is through ... (Read 77 times)

mimie

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on: Nov 5, 2023

Question 1

Lithium metal dissolves in water to yield hydrogen gas and aqueous lithium hydroxide.  What is the final concentration of hydroxide ions when 5.500 g of lithium metal is dropped into 750. mL of water?
◦ 1.06 M
◦ 0.528 M
◦ 2.11 M
◦ 0.792 M
◦ 0.943 M

Question 2

One method of determining the concentration of hydrogen peroxide (H2O2) in a solution is through titration with the iodide ion.  The net ionic equation for this reaction is
         H2O2 + 2I– +2H+→ I2 + 2H2O
A 50.00 mL sample of a hydrogen peroxide solution is found to react completely with 37.12 mL of a 0.1500 M KI solution.  What is the concentration of hydrogen peroxide in the sample?
◦ 5.568 × 10–2 M
◦ 0.2227 M
◦ 0.1010 M
◦ 0.4041 M
◦ 0.1114 M
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by mimie on Nov 5, 2023

H.cope00

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Reply #1 on: Nov 5, 2023
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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mimie

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Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

softEldritch

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Reply 3 on: Yesterday
Wow, this really help

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