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Esdras02
@Esdras02
December 2019
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Assinale a substância química de menor massa molar:
(Dados: NA =23; S = 32, O = 16.)
a) Na2S;
b) Na2SO3;
c) Na2SO4;
d) Na2S2O3;
e) Na2S2O8
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Emptiness
A menor massa molar será do elemento químico mais simples, logo Na₂S
Na₂S = (23*2)g + 32g = 46g + 32g = 78g/Mol
Resposta: Letra A
3 votes
Thanks 5
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Na₂S = (23*2)g + 32g = 46g + 32g = 78g/Mol
Resposta: Letra A