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Benzaldehyde ( MM = 106.18 g/mol) also known as oil of almonds is used in the...


Benzaldehyde ( MM = 106.18 g/mol) also known as oil of almonds is used in the manufracture of dyes and perfume and in flavorings. what would be the freezing point of a solution prepared by dissolving 106.345 g of benzaldehyde in 1.687 kg of ethanol? kf=1.99, freezing point of pure ethanol = -117.3 degree Celsius
a) moles of benzaldehyde
b) kg of ethanol
c) molality
d) freezing point depression : delta Tf= kf×m
e) freezing point of the solution

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Answer #1

a) Mass of C,H,CHO solute 106.345 g Number of moles of C.H,CHO solute - 106.345g x 106.18 g = 1.00155 mol C6H5 CHO b) Mass of

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