Odpowiedzi

2010-03-29T15:09:27+02:00
Cm*M*100%
d= ------------------
C%
C%=20%
M HCl=1*35,5=35,5g/mol
Cm=6,04mol/dm3

6,04*35,5*100%
d=--------------------
20%
d=107,21g/dm3
2 1 2