Plemeniti gasovi

NikolaM's picture

Koliko je grama He,a koliko grama H2 potrebno za punjenje balona 500cm3?

milicaradenkovic's picture

n=V/Vm=0.5/22.4=0.0223 mol

n(He)=n=0.0223 mol

m(He)=n(He)*Mr=0.0223*4=0.0892 g

n(H2)=n=0.0223 mol

m(H2)=n(H2)*Mr=0.0223*2=0.0446 g