2. The Rast camphor method is a cryoscopic technique for molar mass determination. Exactly 1.00 g of an isoprenoid of known formula (C5Hg)n was dissolved in 5.00 g of camphor. The freezing point of the resulting solution decreased by 18.4 °C relative to pure camphor. Knowing that the Kf of camphor is 37.7 deg.kg/mol: A. Calculate for the molar mass of the isoprenoid. B. Calculate the value of n in the given formula of the isoprenoid. Report in whole number. C. The normal freezing point of camphor is 178.4 °C. At what temperature did the isoprenoid-camphor solution freeze?

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2. The Rast camphor method is a cryoscopic technique for molar mass determination. Exactly 1.00
g of an isoprenoid of known formula (C5H8)n was dissolved in 5.00 g of camphor. The freezing point
of the resulting solution decreased by 18.4 °C relative to pure camphor. Knowing that the K₁ of
camphor is 37.7 deg.kg/mol:
A. Calculate for the molar mass of the isoprenoid.
B. Calculate the value of n in the given formula of the isoprenoid. Report in whole number.
C. The normal freezing point of camphor is 178.4 °C. At what temperature did the
isoprenoid-camphor solution freeze?
Transcribed Image Text:2. The Rast camphor method is a cryoscopic technique for molar mass determination. Exactly 1.00 g of an isoprenoid of known formula (C5H8)n was dissolved in 5.00 g of camphor. The freezing point of the resulting solution decreased by 18.4 °C relative to pure camphor. Knowing that the K₁ of camphor is 37.7 deg.kg/mol: A. Calculate for the molar mass of the isoprenoid. B. Calculate the value of n in the given formula of the isoprenoid. Report in whole number. C. The normal freezing point of camphor is 178.4 °C. At what temperature did the isoprenoid-camphor solution freeze?
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