Converting Grams of CaCO3 to Atoms of O

This video reviews the solution to problem 7 on the Chemical Quantities assignment, requiring students to convert grams of CaCO3 to atoms of O in a multi-step conversion process, using the gfm of CaCO3, the relationship between 3 moles of O in 1 mole of CaCO3, and Avogadro's number, using the known, unknown, solution style of problem-solving, as well as the technique of dimensional analysis.