Ile pięcio procentowego roztworu soli można przygotować z 45 g soli kuchennej.
Cp=ms : mr *100%
mr=ms* 100% : Cp
mr=45g*100% : 5%= 900g
ms= 45 g
Cp= 5%
mr=?
Cp=ms/mr *100%
mr= ms*100%/Cp
mr=45g*100%/5%
mr=900g
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Cp=ms : mr *100%
mr=ms* 100% : Cp
mr=45g*100% : 5%= 900g
ms= 45 g
Cp= 5%
mr=?
Cp=ms/mr *100%
mr= ms*100%/Cp
mr=45g*100%/5%
mr=900g