What do budding scientists know about moles and reactions? Using an attention-grabbing lab experiment, young scholars collect data to apply the law of conservation of mass to predict the mass of gaseous products. They examine several reactions for repeated practice.

Concepts

moles, chemical reactions, balancing chemical equations, coefficients, mass, the law of conservation of mass, stoichiometry

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Additional Tags

science

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Instructional Ideas

• Give each lab group a different reaction to analyze

Classroom Considerations

• Expects proficiency in balancing chemical equations
• Requires a specific set of materials and preparation time

Pros

• Includes reflections questions to process information from the experiment
• Uses materials and equipment common in most science classrooms

Cons

• None