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Cm=3 mol/dm3
d=1,12g/cm3=1120 g/dm3
Mmol H2SO4=98 g/mol
Cm=n/Vr =>
n=ms/Mmol => Cm=ms/Mmol*Vr => ms=Cm*Mmol*Vr
ms=3*98*,5=147g
d=mr/vr => mr=d*Vr
mr=1120*0,5=560g
mr=ms+mH2O
mH2O=560-147=413 g
Należy zmieszać 147g kwasu siarkowego (VI) i 413 g H2O.