Aconcentrated phosphoric acid solution is 85.5% h3po4 by mass and has a density of 1.69 g/ml at 25°c. what is the molarity of h3po4? what is the mole fraction of urea, co(nh2)2, in a solution prepared by dissolving 5.6 g of urea in 30.1 g of methanol, ch3oh? how will an understanding of this concept you in your healthcare career?

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