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kenzomanh4
2 năm trước
a. Fe2O3 + H2SO4 → ? + ? b. Al + HCl → ? + ? c. NaOH + H2SO4 → ? + ? d. CaO + H2SO4 → ? + ? e. Fe(OH)3 + HCl → ? + ? f. Fe2(SO4)3 + Ba(NO3)2 → ? + ? g. Zn + Cu(NO3)2 → ? + ? i. Al + O2 → ? k. Mg + ? → MgCl2 m. Fe + HCl → ? + ?
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