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Chemistry Class 12 NCERT Solutions: Chapter 2 Solutions Part 17
Q: 40: Determine the amount of dissolved in litre of water such that its osmotic pressure is .
Answer:
We know that,
Here,
Therefore, w
Hence, the required amount of is
Q: 41. Determine the osmotic pressure of a solution prepared by dissolving of in 2 liter of water at , assuming that it is completely dissociated.
Answer:
When is dissolved in water, ions are produced.
Total number of ions produced
Given,
Also, we know that:
Appling the following relation,