molekula vodoroda H2,eie massa 2/6*10^23 gramm;
v 10 grammah vodoroda soderzhitsia 10/(2/6*10^23)=3*10^24 molekul.
molekula vodoroda H2,eie massa 2/6*10^23 gramm;
v 10 grammah vodoroda soderzhitsia 10/(2/6*10^23)=3*10^24 molekul.