Molila bih za pomoć oko ovog zadatka,a glasi ovako : Koliko treba uzeti mL rastvora natrijum-hidroksida koji u 1,5 L sadrži 3 mola da bi se pripremilo 500 mL rastvora koji u 1 L sadrži 0,6 molova?
Ako u jednom litru ima 0.6 molova, onda u pola litra ima 0.3 molova. Ako prvi rastvor ima 3 mol-a u 1.5l, a nama treba 0.3 mol, onda treba uzeti 0.15 l=150 ml
Cista matematika!
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
Ako u jednom litru ima 0.6
Ako u jednom litru ima 0.6 molova, onda u pola litra ima 0.3 molova. Ako prvi rastvor ima 3 mol-a u 1.5l, a nama treba 0.3 mol, onda treba uzeti 0.15 l=150 ml
Cista matematika!
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
Rastvori
Hvala. :)