Given E°_red = 1

question 69

Multiple Choice

Given E°_red = 1.05 V for XO₄^-/XO₃^-,E°_red = 1.13 V for XO₃^-/X₂ and E°_red = 1.30 V for X₂/X^-,determine E°_red for XO₄^-/X^-.

• A)0.435 V
• B)1.13 V
• C)3.48 V
• D)2.05 V
• E)1.16 V

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Definitions:

Chi-Squared Table

A table that shows the critical values of the chi-square distribution, used to determine the significance of chi-square statistics.

Null Hypothesis

The assumption in hypothesis testing that posits no significant difference exists between specified populations.

Contingency Table

A table often used in statistics to display the frequency distribution of variables.

Z-Test

This is a statistical test used to determine whether two population means are different when the variances are known and the sample size is large.