Plasma Is the Fluid Portion of Blood

question 9

Multiple Choice

Plasma is the fluid portion of blood. The concentration of acetylsalicylic acid (aspirin, C₉H₈O₄, molar mass = 180. g/mol) in your plasma is found to be 2.99 * 10^-4 M after you take two tablets of aspirin. If the volume of your plasma is 5.85 L, what is the molality, m, of aspirin in your blood (Assume density of plasma is 1.00 g/mL.)

• A) 4.99 * 10^-4 m
• B) 3.99 * 10^-4 m
• C) 2.99 * 10^-4 m
• D) 1.99 * 10^-4 m
• E) None of the above

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