If the PH of a Solution Is 4.40

question 143

Multiple Choice

If the pH of a solution is 4.40:

• A) [H₃O⁺] = 4.0×10 ^{- 5} M
• B) [H₃O⁺] = 2.5×10 ^{- 4} M
• C) [OH ^- ] = 3.4×10 ^{- 9} M
• D) [OH ^- ] = 2.5×10 ^{- 11} M
• E) pOH = 18.80

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Definitions:

Variable Expenses

Costs that change in proportion to the activities or volume of a business.

Net Operating Income

A measure of a company's profitability from its regular business operations, excluding expenses and revenues that are unrelated to the primary business activities.

Absorption Costing

Absorption costing is an accounting method that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed overhead - in the cost of a product.

Variable Costing

An accounting method that includes only variable production costs (direct materials, direct labor, and variable manufacturing overhead) in product costs, excluding fixed manufacturing overhead.