Ile wody zawiera 800 gramów 35% roztworu soli ?
mr = 800g
cp = 35%
ms = mr x cp/100%
ms = 800g x 35%/100% = 280g
m roz = mr - ms
m roz = 800g - 280g = 520g
Pozdrawiam :)
ms=800g
Cp=35% = 0,35
800*0,35=280g
800-280=520g
mw=520g
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mr = 800g
cp = 35%
ms = mr x cp/100%
ms = 800g x 35%/100% = 280g
m roz = mr - ms
m roz = 800g - 280g = 520g
Pozdrawiam :)
ms=800g
Cp=35% = 0,35
800*0,35=280g
800-280=520g
mw=520g