Potassium Hydrogen Phthalate (KHP)is Used to Standardize Sodium Hydroxide

question 49

Multiple Choice

Potassium hydrogen phthalate (KHP) is used to standardize sodium hydroxide.If 35.39 mL of NaOH(aq) is required to titrate 0.8246 g KHP to the equivalence point,what is the concentration of the NaOH(aq) ? (The molar mass of KHP = 204.2 g/mol)
HC₈H₄O₄^-(aq) + OH^-(aq) C₈H₄O₄^2-(aq) + H₂O( )

• A) 0.02318 M
• B) 0.05705 M
• C) 0.0859 M
• D) 0.1141 M
• E) 0.1429 M

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Definitions:

Cognitive Map

A mental representation of one's physical environment and spatial relationships between objects.

Gestalt

A theory or approach emphasizing the whole of anything is greater than its parts, and the mind's ability to generate perceptual wholes.

Skinner Response

A concept associated with B.F. Skinner, focusing on operant conditioning, where behavior is shaped by rewards or punishments.

Blocking

A phenomenon in conditioning where a previously learned association prevents the learning of a new association.