Gastric juice contains 3.0g of HCl per litre. If a person produces 2.5 litre of gastric juice per day. How many antacid tablets each containing 400 mg of Al(OH)3 are needed to neutralize all the HCl produced in one day ?
14
geq of HCl = 336.5 2.5 = 0.20548 = geq of Al(OH)3
Weight of Al(OH)3 = 0.20548 × 783 = 5.342 g = 5342mg
No. of tablets =5342400 = 13.35 = 14