What is the freezing point of a solution that contains 610g of benzoic acid, HC7H5O2, in125g of camphor? kf camphor = 40°C/m
Δt = i Kf m
Molar mass of benzoic = 122.12
610/122.12= 5moles
Molar mass of camphor = 152.23
= 125/152.23 = 0.82
= 40 /5.082
= 6.87°C
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