The PH of a 0

question 3

Multiple Choice

The pH of a 0.095 M solution of an unknown monoprotic acid is 5.42. Calculate the K_a of the acid.

• A) 3.8 x 10^-6
• B) 3.6 x 10^-7
• C) 1.5 x 10^-10
• D) 2.6 x 10^-9
• E) 2.8 x 10^-8

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Definitions:

Break-even Point

The point at which total costs and total revenues are equal, resulting in no net profit or loss.

Variable Cost

Charges that are directly linked to the volume of production or sales metrics.

Fixed Costs

Costs that remain constant regardless of the amount of goods produced or sold, including expenses like rent, salaries, and insurance fees.

High-low Method

A technique in cost accounting used to estimate fixed and variable costs by analyzing the highest and lowest levels of activity and their respective costs.