w 10% roztworze wodnym jest 300g soli. Oblicz masę tego roztworu
Cp = 10%
ms = 300g
mr = ?
Cp = ms/mr*100%
10% = 300/mr*100% |:%
10 = 30000/mr
mr = 30000/10
mr = 3000 [gram]
Dane
Cp=10%
ms=300g
Szukane
mr=?
Wzór
Cp=ms*100%:mr
mr=ms*100%:Cp
mr=300*100%:10%=3000g
Odp. Masa tego roztworu wynosi 3000g.
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Cp = 10%
ms = 300g
mr = ?
Cp = ms/mr*100%
10% = 300/mr*100% |:%
10 = 30000/mr
mr = 30000/10
mr = 3000 [gram]
Dane
Cp=10%
ms=300g
Szukane
mr=?
Wzór
Cp=ms*100%:mr
mr=ms*100%:Cp
mr=300*100%:10%=3000g
Odp. Masa tego roztworu wynosi 3000g.