Naplex Calculation (level difficulty: medium): alligation

#naplex #pharmacist #pharmacy #pharmacyschool #boardexam #mpje You are asked to prepare one liter of 10% NaCl solution for irrigation. You only have a 0.9% solution and a 23.4% solution in stock. Using both the high and the low concentration, how many milliliters of the 23.4% solution will be required to compound this prescription? (Answer must be numeric; no units or commas; round final answer to the nearest WHOLE number.)