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Question
Which of the following can be measured by the Ostwald-Walker dynamic method ?
Which of the following can be measured by the Ostwald-Walker dynamic method ?
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Solution
The correct option is A Relative lowering of vapour pressure.
Ostwald-Walker Method
A dynamic method to measure pressure of solution and solvent
Dry air is passed through the solution, solvent and drying/dehydrating agent, in the same order
The loss/gain in weights of dry air, solute/solvent is measured at a constant temperature from which relative lowering of vapour pressure can be calculated.
Ostwald-Walker Method
A dynamic method to measure pressure of solution and solvent
Dry air is passed through the solution, solvent and drying/dehydrating agent, in the same order
The loss/gain in weights of dry air, solute/solvent is measured at a constant temperature from which relative lowering of vapour pressure can be calculated.
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