The normal freezing point of benzene (C6H6) is 5.48°C. The normal freezing point of a solution prepared by dissolving 2.00 g of a covalent compound in 100.0 g of benzene is 5.08°C. What is the molar mass of the compound? For benzene, Kf = 5.12°C/m.
a) 250 g/mol
b) 26 g/mol
c) 130 g/mol
d) 2600 g/mol
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