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Chapter 3: Problem 3

Red blood cells placed in a \(0.9 \%\) solution of salt would be in a: hypotonic/isotonic/hypertonic solution?

Short Answer

Expert verified
Red blood cells placed in a \(0.9 \% \) solution of salt would be in an isotonic solution.

Step by step solution

01

Analyze the given concentration

Note that the concentration of the given salt solution is \(0.9\% \). This is the same concetration as that of salt in red blood cells.
02

Compare with concentration in cells

Compare the concentration of the salt solution with that in red blood cells. If they are the same, the solution is isotonic. If the solution's concentration is lower, it is hypotonic, and if it's higher, it is hypertonic.
03

Name the solution

Given that the salt concentration in the solution and in red blood cells is the same (i.e., \(0.9\% \)), the solution is isotonic. In isotonic solutions, water doesn't flow in or out of the cells, preventing them from swelling or shrinking.

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