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In the equation, Wo1/3-W1/3=Kt, K stands for ____________

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In the equation, Wo1/3-W1/3=Kt, K stands for ____________

(a) The original mass of the drug

(b) Mass of the drug remaining after time t

(c) Dissolution constant

(d) Concentration of solute

The question was asked in an online quiz.

My question is based upon Physicochemical Factors Affecting Drug Absorption topic in portion Absorption of Drugs of Drug Biotechnology

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Right choice is (c) Dissolution constant

Best explanation: To calculate the particle size decrease and change in the surface area of the dissolution Hixson and Crowell’s cubit root law of dissolution is followed, Wo1/3-W1/3=Kt, where, Wo stands for original mass of the drug, W stands for the mass of the drug remaining after time t, K stands for dissolution constant.

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