✔ 最佳答案
(a) Mass ratio (C to H) = 0.856 : 0.144 = 5.944 : 1
Mole ratio (C to H) = 5.944/12 : 1 = 0.4953 : 1 = 1 : 2
Empirical formula for X = CH2 (i.e. this does not exist)
No. of moles of X = 0.02/24 = 8.33*10^-4 mol
Molar mass of X = 0.07/8.33*10^-4 = 84.0 g/mol
Let (CH2)n be the molecular formula for X
n(12 + 2) = 84
n = 6
Thus molecular formula for X is C6H12.
Hint for (b): The structure of X should adopt a trans-configuration.
Hint for (c): The structure of X should adopt a enantiomer.
2011-09-04 20:35:55 補充:
Typo
Hint for (c): The structure of X should be an enantiomer.
2011-09-04 20:53:38 補充:
Typo:
Hint for (b): The structure of A should adopt a trans-configuration.
Hint for (c): The structure of B should adopt a enantiomer.
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