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What is the unit of coefficient of Solubility coefficient?

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in Food Packaging Technology by (63.0k points)
What is the unit of coefficient of Solubility coefficient?

(a) m^2s

(b) m^2/s

(c) m/s

(d) ms

This question was posed to me during a job interview.

Query is from Diffusivity and Permeability in Plastics topic in division Thermoplastic Polymers Properties & Processing of Food Packaging Technology

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The correct option is (b) m^2/s

The explanation: The unit of coefficient of Solubility coefficient is m^2/s. Solubility coefficient is a measure of how much permeate solubilises through the plastic polymer. It depends on degree of interaction between polar water molecule and polymer molecular structure.

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