0
Preussag was created in 1923.
Ag+ + e- --> Ag
AG is short for Aktiengesellschaft
AG = Aktiengesellschaft
1 mole Ag = 6.022 x 1023 atoms Ag
4.4910 x 1023 atoms Ag x 1 mole Ag/6.022 x 1023 atoms Ag = 0.7468 mole Ag