In this inquiry, students are shown how to do a simple titration with basic apparatus, using a dropper instead of a burette. This enables students to do several quick titrations using different antacids in a timely way. The teacher shows the students generally what to do and the students have to brainstorm

(initiate and plan) their own method, depending on which two antacids they choose. Normally, in a titration, one tries to find the concentration of either the acid or the base. In this case, the goal is to find out the concentration of the base and combine the effectiveness and cost together. Students will make a recommendation about which antacid to buy.

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Color Changing Milk of Magnesia

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