W 250 g wody rozpuszczono 50 g NaOH. Jakie jest stężenie procentowe powstałego roztworu?
ms=50g
mw=250g
mr=50g+250g = 300g
Cp=?
Cp=ms*100%/mmr
Cp=50*100%/300
Cp = 16,67%
Cp=ms * 100%/mr
ms = 50g
mr=ms+mw
mr=50g+250g=300g
Cp=50g * 100% / 300g
Cp=16,66%
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ms=50g
mw=250g
mr=50g+250g = 300g
Cp=?
Cp=ms*100%/mmr
Cp=50*100%/300
Cp = 16,67%
Cp=ms * 100%/mr
ms = 50g
mw=250g
mr=ms+mw
mr=50g+250g=300g
Cp=50g * 100% / 300g
Cp=16,66%