A Volume of 25 $\times$ 10^-5)
A) 2

question 88

Multiple Choice

A volume of 25.0 mL of 0.100 M C₆H₅CO₂H(aq) is titrated with 0.100 M NaOH(aq) .What is the pH after the addition of 12.5 mL of NaOH? (K_a of benzoic acid = 6.3 $\times$ 10^-5)

• A) 2.60
• B) 4.20
• C) 5.40
• D) 7.00
• E) 8.60

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Definitions:

Larynx

The organ at the upper end of the trachea that contains the vocal cords.

Nasal Cavity

The large air filled space above and behind the nose in the middle of the face, an important part of the respiratory system.

Higher Altitudes

Regions located at a great height above sea level, often associated with lower atmospheric pressure and decreased oxygen levels.

Partial Pressure

The pressure that a single component of a mixture of gases would exert if it alone occupied the entire volume of the mixture at the same temperature.