How many grams of nh3 are needed to provide the same number of molecules as in 0.65 grams of sf6?

1st --> number of molecules in 0,65g SF₆:



2nd --> How many grams of NH3 are needed to provide 2,68ˣ10²¹ molecules

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

Deposition is the transition of matter going from gas to solid without passing through the liquid phase.a.) gas—-> solid