The degradation of drug A in a suspension formulation was shown to follow pseudo-zero-order kinetics at pH 7.0 and 20ºC. If the first-order rate constant, k1, for drug decomposition in the solution phase of this preparation is 10 month-1, how long (in months) will it take for the suspended particles to be depleted from a suspension formulation of this drug that was prepared to contain 15 mg / 5 mL (i.e., how long will it take for this formulation to go from a suspension to a solution)? (The solubility of drug A is 3 mg / 5 mL)
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