Innovating Science® - Mole Ratio of Reactants
Manufacturer ID - IS8003
Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.
In this experiment the total numbers of moles of reactants are kept constant while varying each reactant. The measurements are made on each different ratio until the optimum ratio, the stoichiometric ratio in the equation, is made which consumes the greatest amount of reactants, produces the greatest amount of product and produces the greatest amount of heat.
3 X 250mL Sodium Hypochlorite 13% Concentrate
1 X 237g Sodium Thiosulfate, anhydrous
UN1791, Hypochlorite solutions, 8, III, Ltd Qty
|Brand Name|| |
|Performance Expectations||5-PS1-3 |
|Cross Cutting Concepts||Cause and Effect |
Scale, Proportion, and Quantity
|Engineering Practices||Planning and Carrying Out Investigations|
|Country of Origin||US|
|DOT Description||Non regulated|
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