Ile wody i wodorotlenku potrzeba aby otrzymać 80 g 2O procentowego roztworu.?
mr=80g Cp=20% mw=? ms=?
ms=mr*Cp/100%
ms=80g*20%/100%
ms=16g
mw=mr-ms
mw=80g-16g
mw=64g
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mr=80g Cp=20% mw=? ms=?
ms=mr*Cp/100%
ms=80g*20%/100%
ms=16g
mw=mr-ms
mw=80g-16g
mw=64g