Zmieszano 160g 8% roztworu siarczanu VI sodu z 40g 32% roztworu. Oblicz stężenie procentowe otrzymanego roztworu.
D:
mr1 =160g
ms1{ Cp1= 8%
mr2= 40g
ms2{
Cp2 = 32%
100g-8g
ms1{
160g-xg x= 12,8 g
100g - 32g
40g - x g x = 12.8 g
12.8 + 12,8 25,6
Cp3=________________ = __________ = 0,128 * 100% = 12.8 %
40g +160 g 200g
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D:
mr1 =160g
ms1{
Cp1= 8%
mr2= 40g
ms2{
Cp2 = 32%
100g-8g
ms1{
160g-xg x= 12,8 g
100g - 32g
ms2{
40g - x g x = 12.8 g
12.8 + 12,8 25,6
Cp3=________________ = __________ = 0,128 * 100% = 12.8 %
40g +160 g 200g