Factors That Affect the Rate of Reaction Lab - Design Your...

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Design Your own Experiment: Factors that Affect the Rate of a Reaction Introduction: An antacid tablet contains citric acid and sodium bicarbonate (baking soda). When you drop the tablet in liquid, the acid and the baking soda react – this produces the fizz. 3 HCO 3 -1 (aq) bicarbonate ion + H 3 C 6 H 5 O 7 (aq) citric acid 3 CO 2 (g) + 3 H 2 O + C 6 H 5 O 7 -3 (aq) citrate ion Several factors affect the rate of a reaction. In this investigation, you will design experiments to test three factors that may affect the rate of the reaction that takes place when an antacid tablet dissolves in a liquid. Possible Materials: jars, antacid tablets, water, ice, timing device, thermometer, vinegar (an acetic acid solution), salt, measuring spoons, measuring cups Procedure:

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