Odpowiedź :
m MnSO4=55u+32u+4*16u=151 u
m MnSO4*7 H2O=151u+7*18u=277 u
Dane:
mr=500 g
Cp=12%
Szukane:
ms=?
ms=Cp*mr/100%
Obliczenia:
ms=12%*500g/100%
ms=60 g
151 u---277 u
60g---xg
x=110,07 g
mH2O=500 g-110,07 g
mH2O=389,93 g
m MnSO4=55u+32u+4*16u=151 u
m MnSO4*7 H2O=151u+7*18u=277 u
Dane:
mr=500 g
Cp=12%
Szukane:
ms=?
ms=Cp*mr/100%
Obliczenia:
ms=12%*500g/100%
ms=60 g
151 u---277 u
60g---xg
x=110,07 g
mH2O=500 g-110,07 g
mH2O=389,93 g