Odpowiedzi

2009-12-10T18:00:23+01:00
Cp=50%
d=1.3g/cm3
V=1l=1000cm3
d=m/v
m=d*v
dH2O=1g/cm3 --> 0.5l=500g
m=1300g
masa substancji= 50%*1300=650g
Cp=(650/1800)*100%=36.11%
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2009-12-10T18:01:29+01:00
1,3g/cm3*1000cm3=1300g
50%*1300g=650g
500cm3 wody waży 500g
m roztworu=1300g+500g=1800g
m subst=650g
Cp=ms/mr*100%
Cp=650g/1800g*100%
Cp=36,1%
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