A Stock Solution of HNO₃ Is Prepared and Found to Contain

question 26

Multiple Choice

A stock solution of HNO₃ is prepared and found to contain 13.7 mol L^-1 of . If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L, what is the concentration of the diluted solution?

• A) 1.46 mol L^-1
• B) 274 mol L^-1
• C) 0.274 mol L^-1
• D) 685 mol L^-1
• E) 0.685 mol L^-1

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Definitions:

Identification

The process of recognizing and acknowledging something or someone as being a specific person or thing.

Inferiority

A feeling of being less than, not as important, or lacking in some way compared to others, which can impact an individual's self-esteem and overall psychological well-being.

Defence Mechanism

Psychological strategies brought into play by individuals, unconsciously, to protect themselves from anxiety or to provide a refuge from a situation with which they cannot currently cope.

Regression

A defense mechanism leading an individual to revert to an earlier stage of development in response to stress or conflict.