Jakie jest stężenie procentowe roztworu nasyconego w 20 stopniach roztworu cukru.
Rozpuszczalonośc cukru w 20 stopniach to 205g.
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R = 205g
mr = 205g + 100g = 305g
ms = 205g
cp = ms/mr x 100%
cp = 205g/305g x 100% ≈ 67%
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Pozdrawiam :)
mr=ms+mw
mr=205g+100g=305g
Cp=ms*100%/mr
Cp=205g*100%/305%
Cp≈67,21%