Odpowiedzi

2010-04-06T13:55:35+02:00
Ms = 3,5kg*60% = 3,5kg*0,6 = 2,1kg
mr = 2,5kg+3,5kg = 6kg

Cp = 2,1kg/6kg*100% = 0,35*100% = 35%
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2010-04-06T13:57:10+02:00
M1=2,5kg
Cp1=0%
m2=3,5kg
Cp2=60%
m3=m1+m2
Cp3=x

m1*Cp1+m2*Cp2=(m1+m2)*Cp3
2,5kg*0%+3,5kg*60%=(2,5kg+3,5kg)*x
210=6x
x=35%

Odp. Otrzymano 35% kwas.

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