Chapter 2 Solutions Class 12 Chemistry Maharashtra Board Textbook Solution
2. Answer the following in one or two sentences
ii. A solution concentration is expressed in molarity and not in molality while considering osmotic pressure. Why?
Answer:-
1. While calculating osmotic pressure by equation, π = CRT, the concentration is expressed in molarity but not in molality.
2. This is because the measurements of osmotic pressure are made at a certain constant temperature.
3. Molarity depends upon temperature but molality is independent of temperature.
4. Hence in osmotic pressure measurements, concentration is expressed in molarity.
Chapter 2 Solutions Class 12 Chemistry Maharashtra Board Textbook Solution
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