Z,A,N,e.p.n. Straturi si substraturi.Mg Z=12, A=24, N=A-Z= 24-12=12e=12, p=12. n=121s2/ 2s2,2p6/3s23straturi( 3s)4 substraturi ( 1s,2s,2p, 3s)
300g Al cu puritate 90% reactioneaza o solutie de HCl de C%=40.a) Ecuatia reactiei chimiceb)masa pura de aluminiuc)ms HCld)VH2 pt p=1,5 atm si T=27•C e)Cm=?; densitatea=1,1g/ml
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Z,A,N,e.p.n. Straturi si substraturi.
Mg Z=12, A=24, N=A-Z= 24-12=12
e=12, p=12. n=12
1s2/ 2s2,2p6/3s2
3straturi( 3s)
4 substraturi ( 1s,2s,2p, 3s)
300g Al cu puritate 90% reactioneaza o solutie de HCl de C%=40.
a) Ecuatia reactiei chimice
b)masa pura de aluminiu
c)ms HCl
d)VH2 pt p=1,5 atm si T=27•C
e)Cm=?; densitatea=1,1g/ml
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Trimiteți un comentariu