Neco 2022 Biology Question 4
Practice objective / multiple choice question 4 from the 2022 Neco Biology examination.
The plasma of a freshwater fish is isotonic at 300 mOsm kg⁻¹. It is transferred to water that is 0.5 % NaCl (approximately 85 mOsm kg⁻¹). Assuming the temperature is 25 °C (298 K) and using the van't Hoff equation \(\pi = iMRT\) (with \(i=1\) for NaCl), calculate the osmotic pressure difference (in atmospheres) between the fish's internal fluids and the external medium.
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About This Question
This is Neco 2022 Biology Question 4. It is one of the objective questions from the 2022 Neco Biology examination.
Difficulty level: Medium .
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