A 1350-ML Sample of a 0

question 82

Multiple Choice

A 135.0-mL sample of a 0.25 M solution of H₃PO₄ is titrated with 0.12 M NaOH. What volume of base must be added to reach the third equivalence point?

• A) 5.6  10² mL
• B) 2.8  10² mL
• C) 8.4  10² mL
• D) 1.9  10² mL
• E) 94 mL

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Definitions:

Dash Valve

A control valve, typically found in air brake systems of trucks, used to apply and release brakes.

Actuate

To cause a mechanical system or device to operate.

Air Tanks

Reservoirs used in pneumatic systems of vehicles, especially in air brake systems, to store compressed air needed for the operation of brakes and other components.