Determine the PH of a 0

question 142

Multiple Choice

Determine the pH of a 0.188 mol L^-1 NH₃ solution at 25 °C. The K_b of NH₃ is 1.76 × 10^-5.

• A) 5.480
• B) 2.740
• C) 8.520
• D) 11.260
• E) 12.656

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Definitions:

Methyl Isobutyrate

An organic compound with the formula C5H10O2, used as a flavoring agent and solvent.

Acid Chloride

Organic compounds belonging to the acyl chloride group, characterized by a carbon-oxygen double bond connected to a chlorine atom, used as intermediates in organic synthesis.

2° Amine

A type of amine where the nitrogen atom is attached to two alkyl or aryl groups and one hydrogen atom.

Compound

A compound is a substance formed when two or more chemical elements are chemically bonded together.