If the PK_a1 = 1

question 29

Multiple Choice

If the pK_a1 = 1.81,and pK_a2 = 6.91 for a 0.05 M solution of H₂SeO₃,what is its [H⁺]?

• A)0.015 M
• B)0.021 M
• C)0.025 M
• D)0.029 M
• E)0.050 M

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Definitions:

Average Variable Cost

The cost per unit of output, excluding fixed costs, calculated by dividing total variable costs by the number of units produced.

Marginal Cost

The expenditure involved in creating one more unit of a product or service.

Average Variable Cost

The cost per unit of producing additional units, excluding fixed costs, and is calculated by dividing total variable costs by the quantity of output.

Total Costs

The complete sum of all expenses a business incurs to produce its goods or services, including both fixed and variable costs.