A Solution with a PH of 9

question 72

Multiple Choice

A solution with a pH of 9.100 is prepared using aqueous ammonia and solid ammonium chloride.What is the ratio of [NH₃] to [NH₄⁺] in the solution? The K_b of ammonia is 1.76 * 10^-5.

• A)0.850 to 1
• B)1.02 to 1
• C)0.984 to 1
• D)1.41 to 1
• E)0.715 to 1

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Definitions:

Reportable Segment

A part of a company that can be identified for reporting purposes due to its operations, products, or services.

Operating Profit

A measure of profit that reflects the income earned from the business’s core operations, excluding any costs and revenues from non-operating activities.

Operating Segments

Components of an enterprise that engage in business activities earning revenues and incurring expenses, including revenues and expenses related to transactions with other components of the same enterprise.

LIFO Method

An inventory valuation method that assumes the last items placed in inventory are the first sold during an accounting period, known as Last-In, First-Out.