Răspuns:
Molecule:18,6×10^25
NA:6,02×10^23
kmoli=?
Moli=?
18,6×10^25:6,02×10^23=3,08970100E+47moli.
1kmol=1000moli.
3,08970100E+47:1000=3,08970100E+44= 3,089^44