Ile gramów wodorotklenku potasu (KOH) i wody należy przygotować , aby otrzymać 350g 4% roztworu KOH ?
Cp= ms/mr * 100%
Cp= 4%
mr= 350g
ms=cp*mr/100= 4*350/100
ms=14g KOH
mr= ms+ma
ma=mr-ms=350-14=336g wody
ms=? mw=? mr=350g Cp=4%
ms=mr*Cp/100%
ms=14g
mw=mr-ms
mw=336g
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Cp= ms/mr * 100%
Cp= 4%
mr= 350g
ms=cp*mr/100= 4*350/100
ms=14g KOH
mr= ms+ma
ma=mr-ms=350-14=336g wody
ms=? mw=? mr=350g Cp=4%
ms=mr*Cp/100%
ms=14g
mw=mr-ms
mw=336g