Iz pH odredis koncentraciju H+ jona. [H+]=10-1.5=0.031622776M. HCl--->H+ + Cl- c(HCl)=[H+]=0.031622776M n(HCl)=c(HCl)*V=0.031622776 mol m(HCl)=n*M=1.154231346g Treba uzeti masu pocetnog rastvora: mr=m(HCl)/0.37=3.119544178g Vr=mr/ro=2.643681507cm3
Pozdrav! :)
"A new scientific truth does not triumph by convincing opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it"Max Planck
Iz pH odredis koncentraciju
Iz pH odredis koncentraciju H+ jona. [H+]=10-1.5=0.031622776M.
HCl--->H+ + Cl-
c(HCl)=[H+]=0.031622776M
n(HCl)=c(HCl)*V=0.031622776 mol
m(HCl)=n*M=1.154231346g
Treba uzeti masu pocetnog rastvora: mr=m(HCl)/0.37=3.119544178g
Vr=mr/ro=2.643681507cm3
Pozdrav! :)
"A new scientific truth does not triumph by convincing opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it" Max Planck