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...... 436g------ x
x=10g*436g/100g=43,6g
v=0,4dm3=400cm3
d=1,09g/cm3
m=d*v
m=400cm3*1,09g/cm3
m=436g
Odp. jest 43,6g chlorku glinu
V=0,4dm³=400cm³
Cp=10(procent)
d=1,09g/cm³
d=m/V
m=d*V
m=1,09g/cm³*400cm³
m=436g
m(r)=436g
Cp=ms/mr*100(procent)
ms=Cp*mr/100(procent)
ms=10(procent)*436g/100(procent)
ms=43,6g