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Urgent va rog muuuult la chimie cine se pricepe

Urgent Va Rog Muuuult La Chimie Cine Se Pricepe class=

Răspuns :

avem formula CnH2n+1Br

miu = 14n+81 g/mol

100% ........................... 5,69% H

14n+81 g ................. 2n+1 g H

=> n = 63/21 = 3

=> C3H7Br

H3C-CH2-CH2-Br

H3C-CH-Br

        CH3