v=150cm3
d=0,8g/cm3
m=?
m=v*d
m=150*0,8
m = 120g
Z def. stęż. procent.
35g subst-------155g roztworu (35g subst + 120g alkoholu)
xg subst---------100g roztworu
x = 22,58g subst
x = 22,58%
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v=150cm3
d=0,8g/cm3
m=?
m=v*d
m=150*0,8
m = 120g
Z def. stęż. procent.
35g subst-------155g roztworu (35g subst + 120g alkoholu)
xg subst---------100g roztworu
x = 22,58g subst
x = 22,58%