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Students will predict and write 18 reactions knowing only the chemical names involved in the reactions. Students will then proceed to set up all 18 reactions. Based on their observations, students will correct their written equations. This lab will give the students valuable experience with writing equations and making valid predictions. Includes reproducible student procedure, Teacher Notes with sample data and answers to questions, and all necessary chemicals. Complete for 24 students working in pairs.
Materials Included in Kit:
Ammonium hydroxide solution, 3 M, 120 mL
Copper(II) sulfate solution, 0.1 M, 180 mL
Hydrochloric acid, 3 M, 180 mL
Magnesium ribbon, 6 feet
Phenolphthalein solution, 10 mL
Potassium iodide solution, 0.1 M, 120 mL
Silver nitrate solution, 0.1 M, 60 mL
Sodium bicarbonate, 36 g
Sodium hydroxide solution, 1 M, 100 mL
Sodium phosphate (monobasic) solution, 0.1 M, 40 mL
HS-PS1-1. Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
HS-PS1-7. Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.