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Estudos Gerais • 04/01/2025

1- qual a massa em gramas que esta contida em 3 mols de benz...

1- qual a massa em gramas que esta contida em 3 mols de benzeno ( C6 H6) ?

2- calcule as massas molares das seguintes substancias

A) NaHSO3

B) Ca CO3

C) CH3COONa

D) (NH4)2PO4

E) AL2 ( SO4)3

F)C2H6O

quantas moleculas de acucar (C12 H22 O11 ) existem em 684g dessa mesma substancia

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