oblicz ilu gramów wodorotlenku sodu i wody nalezy uzyć , aby otrzymać 200g roztwór 5%.
Cp=ms/mr*100%
0,05=ms/200
ms=10g NaOH
200-10=190g wody
ms= (200g * 5%)/100%= 10g
200-10=190g.
10g NaOH i 190g wody.
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Cp=ms/mr*100%
0,05=ms/200
ms=10g NaOH
200-10=190g wody
ms= (200g * 5%)/100%= 10g
200-10=190g.
10g NaOH i 190g wody.