Collect a generous supply of gastric acid and weigh three 10 mL samples of the acid for each product you wish to test. Drop weighed samples of each product being tested into each 10 mL aliquot of the acid making sure that the amount of the product is greater than that necessary to completely neutralize the acid . Then titrate the sample with standard base such as NaOH to determine the excess of the product added. Calculate the amount of the product need to exactly neutralize the acid and compare the averages of the titrations to determine the effectiveness of each product.
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Product X neutralizes 30 times its mass of gastric acid. There are many other products on the market. Some are more efficient than others. Conceive an experiment to determine which one of two antacids is more efficient.
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