360 mOsm 0.36 mOsm
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Transcribed Image Text:5. The osmolarity of a 120 mM MgCl2 is:
360 mOsm
0.36 mOsm
240 mOsm
Expert Solution
Step 1
Tonicity is a concept that deals with movement of water and its effect into and out of cells. The movement of water into and out of the cell by osmosis in an extracellular solution is called tonicity. It takes into consideration the permeability of cell membranes and solute concentration. It is the concentration of the solution in comparison with another solution.
Osmolarity is the concentration of the solution expressed as the total number of solute particles per litre.
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