The molal freezing point depresssion constant of benzene is 4.90 Kkgmo – InterviewSolution

1.	The molal freezing point depresssion constant of benzene is 4.90 Kkgmol−1. Selenium exists as a polymer of the type Sex. When 3.26 g of selenium is dissolved in 226 g of benzene, the observed freezing point is 0.112 ∘C lower than pure benzene. What is x?
Answer» The molal freezing point depresssion constant of benzene is $4.90 {Kkgmol}^{- 1}$ . Selenium exists as a polymer of the type $S e_{x}$ . When $3.26 g$ of selenium is dissolved in $226 g$ of benzene, the observed freezing point is $0.112^{\circ} C$ lower than pure benzene. What is $x$ ?

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