Calculate the PH of the Following Aqueous Solution: 0

question 29

Multiple Choice

Calculate the pH of the following aqueous solution: 0.39 M NH₄Cl (pK_b for NH₃ = 4.74)

• A)9.17
• B)4.83
• C)9.67
• D)4.33
• E)none of these

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Definitions:

Hand Control Valve

A manually operated valve designed for controlling the flow of liquids or gases, often used in industrial applications or within vehicle hydraulic systems.

Treadle Valve

A type of foot-operated air valve used in heavy vehicles, controlling air pressure to the brakes when pressed.

Relay Piston

A relay piston is part of an automatic transmission's hydraulic system, used to amplify fluid pressure for shifting gears.

Secondary Circuit

An electrical circuit that receives power from a transformer or another circuit rather than directly from a power source, used in various electronic devices.