maseni udio
Submitted by Isidoraa on Mon, 01/06/2014 - 19:34

Forums:
Izracunaj maseni udio rastvora koji nastaje mijesanjem 200g 30% i 700g 60% rastvora nitratne kisjeline.
Izracunaj maseni udio rastvora koji nastaje mijesanjem 200g 30% i 700g 60% rastvora nitratne kisjeline.
ms1=w1*mr1=200*0.3=60 g
ms1=w1*mr1=200*0.3=60 g
ms2=w2*mr2=700*0.6=420 g
msu=ms1+ms2=420+60=480 g
mru=mr1+mr2=200+700=900 g
w=msu/mru=480/900=0.533=53.3 % HNO3