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9 March, 00:41

Which equation obeys the law of conservation of mass? A. 2Fe+3O2 - -> 2Fe2O3

B. 4Fe+O2--> 2Fe2O3

C. Fe+O2--> Fe2O2

D. 4Fe+3O2--> 2Fe2O3

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  1. 9 March, 01:45
    0
    It is b

    Because I got it correctly
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