Oblicz, ile gramów soli kuchennej i wody potrzeba do przygotowania 200 g 25-procentowego roztworu.
Dane: Cp = 25% mr = 200g Szukane: msoli = ? mwody = ? Cp = ms/mr * 100% msoli = Cp * mr/100% msoli = 25% * 200/100% msoli = 50g mwody = 200g - 50g mwody = 150g Odp: Potrzeba 50 g soli i 150 g wody
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Dane:
Cp = 25%
mr = 200g
Szukane:
msoli = ?
mwody = ?
Cp = ms/mr * 100%
msoli = Cp * mr/100%
msoli = 25% * 200/100%
msoli = 50g
mwody = 200g - 50g
mwody = 150g
Odp: Potrzeba 50 g soli i 150 g wody