Odpowiedź: C%=18,9 Cm= 4mol/dm3
3.
C%= ms/mr *100%
ms=35g
mr= 35g+ 150g= 185g
C% = 35g/(35g+150g) *100% =18,9%
4.
Cm=n/Vr
n=2
Vr=500cm3=0,5dm3
Cm= 2mol/ 0,5dm3 =4mol/dm3
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Odpowiedź: C%=18,9 Cm= 4mol/dm3
3.
C%= ms/mr *100%
ms=35g
mr= 35g+ 150g= 185g
C% = 35g/(35g+150g) *100% =18,9%
4.
Cm=n/Vr
n=2
Vr=500cm3=0,5dm3
Cm= 2mol/ 0,5dm3 =4mol/dm3