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01-12-2019
Chemistry

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SvetkaChem SvetkaChem

01-12-2019

Answer:

a. 1 only

Explanation:

1. [tex]Fe^{+2}O^{-2}[/tex]

2. [tex]Fe_{2}^{+3}S_{3}^{-2}[/tex]

3. [tex]Fe^{0}[/tex]

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