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2009-12-08T13:45:42+01:00
Mr₁= 60g
Cp₁=12%
ms₁=?
Cp₁= (ms₁ * 100%) : mr₁
ms₁ * 100% = Cp₁ * mr₁
ms₁ * 100% = 12% * 60g
ms₁ * 100% = 720
ms₁ = 720:100
ms₁ = 7,2g
A skoro dodano 20 g soli to
mr₂ = mr₁ + 20g
mr₂=80g
Cp₂ = ?
ms₂ = ms₁ + 20g
ms₂ = 27,2g
cp₂ = (ms₂ * 100%) : mr₂
Cp₂ = (27,2 * 100%) : 80
Cp₂ = 2720 : 80
Cp₂ = 34%
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