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V=2dm³=2000cm³
d=0,79g/cm³
ms=0,0016g
Szukane:
C%=?
d=m/V
m=d*V
mr=0,79g/cm³*2000cm³=1580g
C%=0,0016g:1580g*100%≈1,01%
Odp. Stężenie procentowe barwnika w denaturacie wynosi ok. 1,01%.