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Question

Biology Question on osmosis

Isotonic solutions at a particular temperature have the same

A

density

B

normality

C

molar concentration

D

volume

Answer

molar concentration

Explanation

Solution

Isotonic solutions have same osmotic pressures For two solutions: π1=c1RT,π2=c2RT\pi_{1}=c_{1} R T, \pi_{2}=c_{2} R T or π1=π2= \pi_{1}=\pi_{2}= ∴c1=c2\therefore c_{1}=c_{2}