A 315 ML Aliquot of HNO₃ (Aq)of Unknown Concentration Was Titrated

question 39

Multiple Choice

A 31.5 mL aliquot of HNO₃ (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq) .It took 23.9 mL of the base to reach the endpoint of the titration.The concentration (M) of the acid was ________.

• A)0.0102
• B)0.0051
• C)0.0204
• D)0.227
• E)1.02

---

Definitions:

Recognition

A memory task in which a person must simply identify material as familiar or as having been encountered before.

Nondeclarative Memory

A type of long-term memory that involves skills and actions, which can be performed without conscious thought or declaration.

Semantic Memory

A type of long-term memory involving the capacity to remember words, concepts, and facts not tied to personal experiences.

Episodic Memory

An aspect of memory dedicated to the retrieval of unique events, circumstances, and personal encounters from the past.