Convert from avogram to flask

Unit Definition (avogram)
The avogram is a unit of mass, equal to 1 gram divided by the Avogadro number.

Unit Definition (flask)
The flask is a commercial unit of weight formerly used to measure liquid mercury (or quicksilver, as it was called). The flask was equal to 76.5 pounds avoirdupois, which is equivalent to almost exactly 34.7 kilograms.