2. How many moles of Li2S are in 25.5 grams of Li2S? 3. Convert 10.5 moles Na2O to particles Na2O.
4. How many grams of KNO2 are there in 1.25 x 102 particles of KNO;?
5. How many particles are in 555 grams of NO2?
6. How many moles of magnesium is 7.01 x 10^24 atoms of magnesium?
7. How many moles are there in 450 grams of glucose, C6H1206?
8. How many grams are 1.20 x 10^25 atoms of Magnesium oxide?
9. How many atoms are in 0.750 moles of zinc?

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