Am nevoie de ajutor urgent la 4,5,9 si 12!! Multumesc anticipat!!

Am Nevoie De Ajutor Urgent La 459 Si 12 Multumesc Anticipat class=

Răspuns :

la 9, am calculat moli din 1000ml(g) apa

6mol exista in 1000ml soluti, adica 1200g solutie

m,apa= ms-md=1200-6xMacid  g---> vapa= 1200-6xMacid.,ml

(1200-6xM,acid)....contine  6mol

1000ml............................x

calculeaza M,acid !


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