Problem: A new medication is currently under study and demonstrates first-order kinetics. The medication is administered intravenously as a 120 mg bolus, which results in a plasma concentration of 2 mg/L. The clearance of the medication is calculated to be 30 L/h. Which of the following best approximates the half-life of this medication? Elimination tool 2.0 hr 0.5 hr 2.8 hr 1.4 hr 1.8 hr. Looking for Assignment Help?