Dane:
d=1,12 g/cm3
V=40 cm3
Szukane:
m=?
m=d*V
Obliczenia:
m=1,12 g/cm3*40cm3
m=44,8 g
6,8 g---38 g H2O
xg---100 g H2O
x=17,89 g
R: 17,89 g/100 g H2O
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Dane:
d=1,12 g/cm3
V=40 cm3
Szukane:
m=?
m=d*V
Obliczenia:
m=1,12 g/cm3*40cm3
m=44,8 g
6,8 g---38 g H2O
xg---100 g H2O
x=17,89 g
R: 17,89 g/100 g H2O