kolicinska koncentracija

Submitted by banj00 on Sun, 06/08/2014 - 17:37
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Rastvor naoh masenog udela w=0,151 ima gustinu 1,33g/cm3. Izracunati kolicinsku konc tog rastvora(na=23)

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milicaradenkovic - Sun, 06/08/2014 - 21:55

c=n/V=ms/Mr*V=mr*w/Mr*V=w*ro/Mr=1.33*1000*0.151/40=5.02 mol/l