A Stock Solution of HNO₃ Is Prepared and Found to Contain

question 39

Multiple Choice

A stock solution of HNO₃ is prepared and found to contain 13.5 M of HNO₃. If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L, the concentration of the diluted solution is __________ M.

• A)0.270
• B)1.48
• C)0.675
• D)675
• E)270

Understand the physiological effects of psychoactive drugs.

Identify the psychological and social impacts of drug use.

Recognize the role of neurotransmitters in addiction.

Understand the impact of drug use on memory and cognitive functions.

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