Cp=ms : mr * 100%
ms=Cp * mr : 100%
ms1=25% * 200g : 100%= 50g
ms2=50g + 10g=60g
mr2=200g + 10g =210g
Cp2= 60g : 210g * 100% = 28,6% ( w zaokragleniu)
Pliss daj najj:)))
Z def. stęż. procent.
25g soli ----- 100g roztworu
xg soli ------- 200g roztworu
x = 50g soli
Po dodaniu 10g soli
60g soli ----- 210g roztworu
xg soli ------- 100g roztworu
x = 28,6g soli
x = 28,6%
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Cp=ms : mr * 100%
ms=Cp * mr : 100%
ms1=25% * 200g : 100%= 50g
ms2=50g + 10g=60g
mr2=200g + 10g =210g
Cp2= 60g : 210g * 100% = 28,6% ( w zaokragleniu)
Pliss daj najj:)))
Z def. stęż. procent.
25g soli ----- 100g roztworu
xg soli ------- 200g roztworu
x = 50g soli
Po dodaniu 10g soli
60g soli ----- 210g roztworu
xg soli ------- 100g roztworu
x = 28,6g soli
x = 28,6%