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15 of 20 A cortan first order reaction A →proc ucts) has a rate constant o 5 70x10-3 s 1 at 45°C How many m nutes does it take for the concentration of the reactant to drop to 6 25% of the onginal concentration? A Express your answer with the appropriate units View Available Hint(s) Value Units Submit Part A certan secondorder reaction (B →products) has a rate constant of 1 75x 10-3 Ar, s-1 at 27 reactant B ater one halt-Me Cand arin tal halfafe of 218 s whats the concentration of the Express your answer with the appropriate units. View Available Hint(s alue Units Submit
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