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wiec jezeli w 70-100
to w x 600 roztw
x=600*70/100
x=420g
gestos wody 1g/cm3
V=420cm3
2Obliczamy mase roztw. Mr=1.3g/cm3*200cm3=260g
Jezeli 95 gram wody jest w 100 gr rozt (5%)
to x gram bedzie w 260g roztworu
x= 260g*95g/100g
x= 247 g
V= 247 cm3