Comparing the Effectiveness of Two Antacid Tablets

In: Science

Submitted By jachill
Words 2350
Pages 10
Antacid Lab Report

Abstract: Inflation is gradually increasing the prices on every human necessity. Unfortunately, the medicine people need to combat distress, disease and sickness are no exception. The purpose of this lab was to make a comparison between two antacid tablets through a titration. The comparison was made between effectiveness and cost, and to make a final verdict on which tablet can neutralise more acid for equal amounts of money. The ground tablets were placed in an Erlenmeyer flask along with a base, a pH indicator, and water. Hydrochloric acid with a pH of two was slowly released into the mixture using a burette. The observable difference that indicated the desired change in pH was a colour variance of the liquid, created by the indicator. The quantity of hydrochloric acid needed to bring the basicity of the mixture to the right pH was noted, and the procedure was repeated with the other antacid. The results showed that the Tums brand could neutralise more acid, however the Equate brand has a lesser cost per gram. A calculation revealed that the Equate brand was the better choice, since overall it could eliminate more hydrochloric acid than the Tums brand per dollar.

Key Terms:
Chemical reaction: A reaction in which the ionic or molecular structure of a substance is changed to fulfill the substance’s need of a full valence shell of electrons. pH: Scale used to express how acidic or basic a solution is. The scale ranges from 0-14, with 7 being neutral. Any pH lower than 7 is acidic, and any pH higher than 7 is basic.
Antacid: A medicine that neutralises the acidity of your stomach.
Titration: As being most commonly associated with reactions between acids and bases, a titration is a process by which a solution is being added to another solution (the addition of the new substance is then accurately measured). pH Indicator: A substance…...

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