PROSZĘ WYLICZYĆ!! :) 1.oblicz ile gram H2O jest w 15g roztworze o Cp= 15%
Cp = 15%
mr = 15g
mR = mr - ms = ?
Cp = (ms/mr) *100%
Cp * mr = ms *100%
ms = (Cp * mr)/100%
ms = (15% * 15)/100%
ms = 2,25g
mR = 15g - 2,25g = 12,75 g
Odp. W 15g roztworu 15-owego znajduje się 12,75g H2O.
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Cp = 15%
mr = 15g
mR = mr - ms = ?
Cp = (ms/mr) *100%
Cp * mr = ms *100%
ms = (Cp * mr)/100%
ms = (15% * 15)/100%
ms = 2,25g
mR = 15g - 2,25g = 12,75 g
Odp. W 15g roztworu 15-owego znajduje się 12,75g H2O.