What Ionic Form(s) Is/are Most Prevalent at PH 7

question 7

Multiple Choice

What ionic form(s) is/are most prevalent at pH 7.0? The pK_a values of phosphoric acid are 2.1, 7.2, and 12.4.

• A) HPO₄−²
• B) H₂PO₄−
• C) HPO₄−² and PO₄−³
• D) H₂PO₄− and HPO₄−²
• E) All are correct

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Definitions:

Accounts Receivable Turnover

A financial metric indicating how many times a company's receivables are converted to cash in a given period.

Accounts Receivable

Money owed to a business by its customers for goods or services delivered on credit.

Inventory Turnover

A ratio showing how many times a company's inventory is sold and replaced over a period, reflecting the efficiency of inventory management.

Cost of Goods Sold

The cost of goods sold (COGS) represents the direct costs associated with the production of goods sold by a company, including materials and labor costs.