Chemical History of “Law of Conservation of Mass” and Its Implications to Chemistry Teaching
GUO Xiao-Li1,2, WANG Lan3, WEI Rui1
1. College of Chemistry, Beijing Normal University, Beijing 100875, China;
2. Haidian District Beijing Teacher Training School, Beijing 100195, China;
3. The Experimental High School Attached To Beijing Normal University, Beijing 100032, China