Images CR2O3 CO

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Cr2o3 co. CR Oh 3 NAOH. Cr2(so4)3 + NAOH. CR h2so4 разб. CR Oh 3 h2so4 ионное.
CR Oh 3 NAOH. Cr2(so4)3 + NAOH. CR h2so4 разб. CR Oh 3 h2so4 ионное.

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