Mole Day Avogadro’s Number T-Shirt-FL

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Do you love science. This Mole Day 2017, wear this awesome chemistry pun t-shirt to school, work, the laboratory, science fair, or special Mole Day event! Great christmas gift for chemistry major or science nerd!, One mole of any substance contains Avogadro”s Number of molecules or atoms of that substance. This relationship was first discovered by Amedeo Avogadro and he received credit for this after his death, Lightweight, Classic fit, Double-needle sleeve and bottom hem