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n H2O = 3,6/18 = 0,2
X NaOH = n NaOH / n NaOH + n H2O
= 0,3 / 0,3 + 0,2 = 0,3/0,5 = 0,6
fraksi mol zat terlarut = 0,6
np= gr per mr = 3.6:18
xt= nt per nt+np
- 0.6