koliko vode treba dodati u 100 ml rastvora glukoze, masene koncentracije c= 1.8 mg/ml da bi se dobio rastvor koncentracije 5mmol/L. Ja ne razumijem koja oznaka ide za 5mmol/L ? Nikako da dobijem tačan rezultat.Molim za pomoc :)
"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
Masena koncentracija ima
Masena koncentracija ima oznaku gama.
Koliciniska koncentracija ima oznaku c.
gama [g/L]=c [mol/L] * M [g/mol]
Pogledaj ovo: http://www.svethemije.com/kvantitativni-sastav-rastvora
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