Calculate the [H⁺] in an Aqueous Solution That Is 0

question 30

Multiple Choice

Calculate the [H⁺] in an aqueous solution that is 0.0755 M HF and 0.100 M NaF .The value of K_a for HF is 3.5 * 10^-4.

• A) 4.6 * 10^-4 M
• B) 2.6 10^-4 M
• C) 3.5*10^-4 M
• D) 0.176 M
• E) 0.0755 M

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Definitions:

Service Application Valves

Valves used in the maintenance and repair process of various systems, allowing for the control or direction of flow during service.

Spike

A sudden surge in hydraulic pressure or electrical voltage. Also a slang term meaning the tractor steering column mounted, trailer service brake valve.

Tractor Protection Valve (TP)

A safety device on tractor-trailer combinations that protects the air brake system from losing air pressure in the event of a trailer breakaway or leak.