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LsthaisLs
@LsthaisLs
December 2019
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CALCULE AS MASSAS MOLARES:
a) AgCl2
b) C2H3NaO2
EU IMPLORO AJUDA
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nandofilho10
Na tabela periódica tem as massas de cada elemento. Basta somar
Ag =107.868 g/mol
Cl = 35.453 g/mol
etc..
a)178.774 g/mol
b) 82.034 g/mol
c)
0 votes
Thanks 2
Thoth
Ag= 108 C l= 35,5
108+ 2*35,5= 179u
C= 12 H= 1 Na= 23 O= 16
2*12 + 3*1 + 23 + 16*2= 82u
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Thanks 1
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Ag =107.868 g/mol
Cl = 35.453 g/mol
etc..
a)178.774 g/mol
b) 82.034 g/mol
c)
108+ 2*35,5= 179u
C= 12 H= 1 Na= 23 O= 16
2*12 + 3*1 + 23 + 16*2= 82u