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dr = 1,09 g/cm³ mr = ?
V =r = 0,4 dm³ = 400cm³
d = m/V ====> m = d * V
mr = 1,09 g/cm³ * 400cm³ = 436g
Obliczamy iość substancji
mr = 436g ms = ?
Cp = 105
ms = Cp * mr / 100%
ms = 10% * 436g / 100%
ms = 43,6g
W tym roztworze znajduje się 43,6g chlorku glinu