Oblicz, ile gramów soli pozostanie na dnie naczynia po całkowitym odparowaniu wody z 80g 2-procentowego roztworu.
Cp = 2%
mr = 80g
Cp = (ms * 100%) : mr
ms = (Cp * mr) : 100%
ms = (2% * 80g) : 100%
ms = 1,6g
Odp. Na dnie naczynia pozostanie 1,6g soli.
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Cp = 2%
mr = 80g
Cp = (ms * 100%) : mr
ms = (Cp * mr) : 100%
ms = (2% * 80g) : 100%
ms = 1,6g
Odp. Na dnie naczynia pozostanie 1,6g soli.