Chapter 2 Solutions Class 12 Chemistry Maharashtra Board Textbook Solution
1. Choose the most correct answer.
vii. A living cell contains a solution which is isotonic with 0.3 M sugar solution.
What osmotic pressure develops when the cell is placed in 0.1 M KCl solution at body temperature?
a. 5.08 atm
b. 2.54 atm
c. 4.92 atm
d. 2.46 atm
Answer:-
2.54 atm
Explanation:
π = i1M1RT − i2M2RT
= [(1 × 0.3 mol dm−3) − (2 × 0.1 mol dm−3)] × 0.08205 atm dm3 K−1 mol−1 × 310 K
= 2.54 atm
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