Do 4 kg wody wsypano 0.5 kg soli .Jaki procent masy tego roztworu stanowi sól?
ms=0.5kg
mr=4kg+0.5kg=4.5kg
x=11.(1)%
4.5kg-100%
0.5kg-x%
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ms=0.5kg
mr=4kg+0.5kg=4.5kg
x=11.(1)%
4.5kg-100%
0.5kg-x%