A solution of 0.640 g of azulene in 100.0 g of benzene is `80.23^(@)C`. The boilingpoint of benzeneis `80.10^(@)C`, and` K_(b)` is `2.53^(@)C`/molal What is the moleculer mass of azulene?
A
108
B
99
C
125
D
134
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The correct Answer is:
c
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