What Is the PH of a 0

question 28

Multiple Choice

What is the pH of a 0.380 M aqueous solution of ethylamine?
K_b = 4.3 × 10^-4

• A)12.1
• B)1.9
• C)10.2
• D)5.5
• E)8.5

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Definitions:

Gender

A social construct that refers to the roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.

Respondents

Individuals or entities who provide answers or responses in a survey or study.

Two-sample Chi-square

A statistical test used to determine if there is a significant difference between the categorical distributions of two independent samples.

Goodness-of-fit Test

A statistical test used to determine how well observed data fit a specific distribution or model.