mNa2CO3=2*23u+12u+3*16u=106 u
mNa2CO3*10H2O=106u+10*18u=286 u
106u Na2CO3---286 u Na2CO3*10H2O
xg Na2CO3---80 g Na2CO3*10H2O
x=29,65g
Dane:
ms=29,65g
mr=300g+80g=380g
Szukane:
Cp=?
Cp=ms*100%/mr
Obliczenia:
Cp=29,65g*100%/380g
Cp=7,8%
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mNa2CO3=2*23u+12u+3*16u=106 u
mNa2CO3*10H2O=106u+10*18u=286 u
106u Na2CO3---286 u Na2CO3*10H2O
xg Na2CO3---80 g Na2CO3*10H2O
x=29,65g
Dane:
ms=29,65g
mr=300g+80g=380g
Szukane:
Cp=?
Cp=ms*100%/mr
Obliczenia:
Cp=29,65g*100%/380g
Cp=7,8%