Đem hóa hơi 6,7 g hỗn hợp X gồm ch3cooh checooch3 ch3cooc2h5 và hcooc2h5 thu được 2,24 lít khí hơi đktc đốt cháy hoàn toàn 6,7 g X thì thu được khối lượng H2O là

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

What? i don’t understand

Less stable  hope this