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64g 0=.....moli 0=.....atomi 0 Ao =16.
Va rog urgentt,dau coroana​


Răspuns :

Răspuns:

1molO16g

64g:16g=4moli

4•6.022•10^23=24,088•10^23atomiO

Răspuns:

MO=16g/mol

n=m/M

n=64/16=4moli O

1mol O.............................6,022x10²³atomi

4moli..............................xatomi

x=4x6.022x10²³=24,088•10²³atomiO

Explicație: