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Cp=8%
d=0,5dm³ =500 cm³
V=1,09g/cm³
Szukane
ms=?
mrtw= d*V=500cm³*1,09 g/cm³ = 545g
mrtw=545g
/ - jako kreska ułamkowa
545grtw/ xgs= 100grtw/8gs
545*8=x*100
4360=100x
x=4360/100 = 43,6g
albo za pomocą wzoru:
ms= 8% * 545 / 100% = 4360/ 100 = 43,6 g