Pharmacology What is the clearance of a substance, if its concentration in plasma is 10 mg%, concentration in urine is 100 mg % and urine flow is 2 ml/min ? A 0.02 ml/min. B 0.2 ml/min C 2 ml/min D 20 ml/min. 💡 Explanation What is the clearance of a substance, if its concentration in plasma is 10 mg%, concentration in urine is 100 mg % and urine flow is 2 ml/min ? ✓ Correct Answer: D. 20 ml/min.