Question

Sa se calculeze in cate grame de Oxigen se vor gasi 96 * $10^{23}$ electroni.

Answer 1

1g O.....1 mol O......6,023*10^23 
xg  O....y moli O......96*10^23

y=96*10^23/6,023*10^23
y=15,9389 moli O =>x=15,9389 g O