Do 200 g roztworu 10% dolano 300g wody. Oblicz stężenie procentowe otrzymanego roztworu.
mr=300g=200g=500g
10%=ms*100%/200g
ms=20g
cp=20g*100%/500g
cp=4%
10%=ms*100%/200g=20g
cp=20g*100%/500g=4%
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mr=300g=200g=500g
10%=ms*100%/200g
ms=20g
cp=20g*100%/500g
cp=4%
mr=300g=200g=500g
10%=ms*100%/200g=20g
cp=20g*100%/500g=4%