Question

calcula el porcentaje de hierro (FeO3)

Answer 1

Respuesta:

FeCO3

Fe. 1 x 56 = 56 g/mol

C: 1 x 12 = 12 g/mol

 O: 3 x 16 = 48 g/mol

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          Mm = 116 g /mol

hierro:

116 g ------- 100%

 56 g ------      x

x = 48.28 %

Explicación:

ay esta