One Method of Determining the Concentration of Hydrogen Peroxide (H₂O₂) $\rarr$

question 42

Multiple Choice

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⁺ $\rarr$ 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

• A) 5.568 * 10^-2 M
• B) 0.2227 M
• C) 0.1010 M
• D) 0.4041 M
• E) 0.1114 M

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Definitions:

Proficiency Test

An examination designed to measure an individual's skill or knowledge level in a particular area or discipline.

Residual Standard Deviation

A measure of the standard deviation of residuals in regression analysis, indicating the typical distance between observed and predicted values.

Proficiency Test

An evaluation designed to assess an individual's competence or skill level in a particular area.

Regression Analysis

A statistical method for examining the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.