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Estudos Gerais05/12/2025

Exemplo 2 - Detern. e o Nox do crômio nos compostos: a) Cr$...

Exemplo 2 - Detern. e o Nox do crômio nos compostos:

a) Cr2_2O3_3

b) Na2_2Cr2_2O7_7

c) Ca2_2CrO4_4

d) Cr3+^{3+}

Al2_2 (S4_4)3_3

Al2_2 S3_3O12_{12}

2.(+3)+3.x+12.(-2)=0 +6+3x-24 = 0

Nox 3.x = X=+

[X=+

Exemplo 2 - Detern. e o Nox do crômio nos compostos:

a) Cr$_2$O$_3$

b) Na$_2$Cr$_2$O$_7$

c) Ca$_2$CrO$_4$

d) Cr$^{3+}$

Al$_2$ (S$_4$)$_3$

Al$_2$ S$_3$O$_{12}$

2.(+3)+3.x+12.(-2)=0
+6+3x-24 = 0

Nox
3.x =
X=+

[X=+
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