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67,5dme----------m
m=110g
mr=110+440=550g
550g roztworu------110g subst
100g roztw------------x
x=20g
stezenie procentowe wynosi 20%
d=mr2/v
mr2=d*v
mr2=1,1g/cm3*1000g=1100
20g subst----100g roztw
yg subst--------1100
y=220g
1molHCl---36,5g
n moli-----220g
n=6,02 mola
roztwor jest 6,02 molowy