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Exercício de Fórmulas mínimas
Exercício:
As fórmulas mínimas de acetileno (C2H2), glicose (C6H12O6), água oxigenada (H2O2) e sulfato de sódio (Na2SO4) são respectivamente:
a) C2H2, C6H12O6, H2O2 e Na2SO4.
b) C2H2, CH2O, H2O2 e Na2SO2.
c) CH, CH2O, HO e Na2SO4.
d) CH, C3H4O3, HO e Na2SO4.
e) C2H2, C3H6O3, H2O2 e Na2SO4.
E
a resporta correta a alinea a
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