Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Lý thuyết về cân bằng hoá học- p1. That video is uploaded by Hoahoc BT at 2024-07-06T00:51:04-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [UgtXFDvWt2k]