Mole concept Video Lecture of Chemistry for AIPMT by PS Sir. In this video PS Sir is talking about Introduction,atoms and molecules atomic mass and molecular mass mole concept. PS Sir is known for his focused and simplified PMT teaching to bring to students an easy and analytical methodology towards AIPMT. This course is designed and developed by the experienced faculty of KOTA. Watch More Video Lectures for free Please visit our website: https://goo.gl/oEQDgy