Cp=ms/mr*100%
30%=ms/150*100%
0,3=ms/150
ms=150*0,3
ms=45g KNO3 otrzymamy
Z def. stęż. procent.
30g KNO3-----100g roztworu
xg KNO3-------150g roztworu
x = 45g KNO3
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Cp=ms/mr*100%
30%=ms/150*100%
0,3=ms/150
ms=150*0,3
ms=45g KNO3 otrzymamy
Z def. stęż. procent.
30g KNO3-----100g roztworu
xg KNO3-------150g roztworu
x = 45g KNO3