A 0.9% NaCl solution is isotonic with blood plasma. Which solution would crenate red blood cells?
(a) 0.3% NaCl
(b) 0.9 M glucose (MW 180)
(c) 0.9% glucose
Note: The osmolarity of red blood cell is 0.3 osmol
Determine first the osmolarity of the three solutions (a, b, c) and compare it with the osmolarity of the red blood cell and identify which of the three solutions would crenate red blood cells.
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Answer:
(a) 0.3% NaCl
Explanation:
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