The law of conservation of mass indicates that mass cannot be created nor destroyed. Using vinegar, baking soda and a sealed plastic bag, students determine the mass of the vinegar and baking soda. Students then seal the vinegar and baking soda in a plastic bag and mix the substances. Students will determine the mass before and after any reaction occurs.
This lab includes a two-part procedure: open vs closed system, a list of materials, conclusion questions and an ANSWER KEY!