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Ex. 2 va rog am nevoie urgeent

Ex 2 Va Rog Am Nevoie Urgeent class=

Răspuns :

MCl2 + 2NaOH => M(OH)2 + 2NaCl

M+71g......................M+34g
270g........................196g

74M = 4736 => M = 64 g/mol

F.M => CuCl2