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categoryكيمياء schoolبكالوريوس event_available2026-07-14

السؤال

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When the following equation is balanced with the smallest possible set of integers (in acidic solution), what is the sum of all the coefficients? A. 13 B. 24 C. 19 D. 7 E. 29 Cr₂O² + H₂S Cr3++S

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