1) 60%.....................40-15 = 35 .............40% 15%.................... 60-40 = 20Roztwory należy zmieszać w stosunku 35 : 20, czyli 7 : 4 2) v=10cm3 d=0,7g/cm3 m=v*d
m=10*0,7=7g
ms=1g
mr=ms+7g
mr=1g+7g=8g
Cp=ms*100%/mr Cp=1*100/8
Cp = 12,5%
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1)
60%.....................40-15 = 35
.............40%
15%.................... 60-40 = 20
Roztwory należy zmieszać w stosunku 35 : 20, czyli 7 : 4
2)
v=10cm3
d=0,7g/cm3
m=v*d
m=10*0,7=7g
ms=1g
mr=ms+7g
mr=1g+7g=8g
Cp=ms*100%/mr
Cp=1*100/8
Cp = 12,5%