Help! I’ve been trying to compute this but I haven’t figured out how. Prescribed: The wound is to be cleaned 4x a day with Povidone. The strength of the solution should be 100mg/ml. Drug Available: Povidone 250mg/ml (120ml) + to be diluted with NaCl. Dosage Calculation: You have to dilute the solution, how much of the NaCl solution should be added to the Povidone solution you found in the pharmacy so the strength is 100mg/ml?