1. The problem statement, all variables and given/known data Consider a “true macromolecule” - a chunk of polybutadiene network of mass 100g. How many monomers all covalently bonded together does it contain if the molar mass of the monomer is Mmon= 54g/mol? What is the molar mass of this macromolecule? 2. Relevant equations Molar mass of polymer = polymerization * Molar mass of monomer 3. The attempt at a solution It seems I have two unknowns in my equation of three variables. The biggest issue is that I'm unsure what the relevance of the 100g sample is. None of the textbook examples or online examples that I've found are structured this way. They always give a molar mass/molecular weight of the polymer. 100g / 54g/mol says that 1.96 moles of the monomer can "fit" into the 100g sample of the polymer. Though I'm not sure how relevant that is. Based on the order of the two questions, it seems I need to find the degree of polymerization first.