For a Solution of Phosphoric Acid, Write the Equation for (HPO₄^2-)

question 157

Multiple Choice

For a solution of phosphoric acid, write the equation for (HPO₄^2-) .

• A) K_a3/([H₃O⁺]³ + K_a1[H₃O⁺]² + K_a1K_a2[H₃O⁺] + K_a1K_a2K_a3)
• B) [H₃O⁺]/([H₃O⁺]³ + K_a1[H₃O⁺]² + K_a1K_a2[H₃O⁺] + K_a1K_a2K_a3)
• C) K_a1K_a2[H₃O⁺]/([H₃O⁺]³ + K_a1[H₃O⁺]² + K_a1K_a2[H₃O⁺] + K_a1K_a2K_a3)
• D) K_a1K_a2K_a3/([H₃O⁺]³ + K_a1[H₃O⁺]² + K_a1K_a2[H₃O⁺] + K_a1K_a2K_a3)
• E) K_a1[H₃O⁺]²/([H₃O⁺]³ + K_a1[H₃O⁺]² + K_a1K_a2[H₃O⁺] + K_a1K_a2K_a3)

---

Definitions:

Reported Results

Reported results are the financial outcomes that a company publicly announces, detailing its performance over a specific period, including revenue, expenses, and net income.

Sales

The total receipts from transactions involving the provision of goods or services to customers.

Residual Income

This refers to the amount of net income generated by a business in excess of its minimum expected return; it is a metric used to assess the excess profit compared to the equity capital invested.

Invested Assets

Financial assets and securities that a company or individual allocates funds to with the expectation of generating income or profit.