Question

1) how molar mass of solut determined by osmotic pressur measurment

2) what is effect of temp. on solubility of solids in water ? give example​

Answer 1

Answer:

1.The flow of solvent that occurs due to a concentration gradient across the membrane is called osmosis. According to equation (3), the molecular weight of a solute can be obtained by plotting osmotic pressure divided by c versus concentration and extrapolating the data back to c = 0.

2.For many solids dissolved in liquid water, the solubility increases with temperature. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions.

Answer 2

Answer:

1. The flow of solvent that occurs due to a concentration gradient across the membrane is called osmosis. According to equation (3), the molecular weight of a solute can be obtained by plotting osmotic pressure divided by c versus concentration and extrapolating the data back to c = 0.
2. For many solids dissolved in liquid water, the solubility increases with temperature. The increase in kinetic energy that comes with higher temperatures allows the solvent molecules to more effectively break apart the solute molecules that are held together by intermolecular attractions

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