Study guides, Class notes & Summaries

The Case of the Poisonous Pill: Day 3 Moles to Mass The idea of a mole is still pretty useless unless there is a way to count the atoms/ molecules/ ions in a sample without physically counting them. Luckily, the mass of one mole of any element has a defined mass – the atomic mass from the periodic table. Need a periodic table? On-line version: Printable version: Part I. Moles to Mass (Atoms) Example. What is the mass of 2 mole of lithium atoms? 2mol Li x 6.941 grams Li 1mol Li = 13...