Răspuns :
Răspuns:
md=5g CuSO4
mH2O =45g
C=?
ms=md+mH2O =5+45=50g
C=md×100/ms=5×100/50=10%
C=10%
Răspuns:
md=5g CuSO4
mH2O=45g
ms=md+mH2O
ms=5 +45
ms=50g
C=10%
Răspuns:
md=5g CuSO4
mH2O =45g
C=?
ms=md+mH2O =5+45=50g
C=md×100/ms=5×100/50=10%
C=10%
Răspuns:
md=5g CuSO4
mH2O=45g
ms=md+mH2O
ms=5 +45
ms=50g
C=10%