A Solution Is an Acid If Its PH Is Less $10 ^ { - 9.7 }$

question 75

Multiple Choice

A solution is an acid if its pH is less than 7 and a base if its pH is greater than 7. The pH is defined by pH = -log10[H+],
where [H+] is the concentration of hydrogen ions in the solution. Use this information to answer the question
-The concentration of hydrogen ions in a solution is approximately $10 ^ { - 9.7 }$ . What is the pH of the solution? Is the solution an acid or a base?

• A) The \(\mathrm { pH }\) is 9.7. The solution is a base.
• B) The \(\mathrm { pH }\) is 9.7. The solution is an acid.
• C) The \(\mathrm { pH }\) is \(- 9.7\). The solution is a base.
• D) The \(\mathrm { pH }\) is \(- 9.7\). The solution is an acid.

---

Definitions:

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including material, labor, and overhead expenses.

Inventory Accounts

Accounts used to track the quantity and value of products a company holds for the purpose of sale, broken down into categories like raw materials, work-in-progress, and finished goods.

Manufacturing Firm

A company that produces goods through the process of raw materials using labor and machinery.

Cost Accounting Systems

Methods and procedures used for collecting, classifying, summarizing, and analyzing a company's costs to help in budgeting, controlling, and decision-making.