FOR QUESTION 5-7):Solve the problems completely 5) 1.60 g of an unknown molecular substance is dissolved in 20.0...

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Chemistry

FOR QUESTION 5-7):Solve the problemscompletely
5) 1.60 g of an unknownmolecular substance is dissolved in 20.0 g of benzene. The freezingpoint of pure benzene is 5.5^oC, and the freezing pointof the mixture is 2.8^oC. What is the gram formula massof the unknown substance?
6) Complete the following two Bronsted-Lowrey reactionsand indicate the acid (A), base (B), conjugate acid (CA), andconjugate base (CB). (20)
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â HSO₄^-_(aq) +H₂O_{(l)Â Â Â}

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4.0 Ratings (653 Votes)

5 we know that depression in freezing point dTf Kf x m so 55 28 512 x m m 05273 now molality moles of solute mass of solvent kg 05273 moles of solute 20 x 103 moles of solute 1054 x 102 now moles mass See Answer

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