Viết phương trình hóa học của các phản ứng sau: a) \(? + ? \to C{H_3}{\rm{COONa + }}{{\rm{H}}_2} \uparrow \) b) \(? + ? \to C{H_3}{\rm{COONa + }}{{\rm{H}}_2}O + C{O_2}\) c) \(C{H_3}{\rm{COOH + ?}} \to {(C{H_3}{\rm{COO}})_2}Ca + ? + \uparrow \) d) \(? + Mg \to {(C{H_3}{\rm{COO}})_2}Mg + \uparrow \) e) \(? + C{\rm{uS}}{O_4} \to {(C{H_3}{\rm{COO}})_2}Cu + \downarrow \) Trả lời a) \(2C{H_3}{\rm{COOH}} + 2Na \to C{H_3}{\rm{COONa + }}{{\rm{H}}_2} \uparrow \) b) \(2C{H_3}{\rm{COOH}} + N{a_2}C{O_3} \to C{H_3}{\rm{COONa + }}{{\rm{H}}_2}O + C{O_2} \uparrow \) c) \(2C{H_3}{\rm{COOH}} + N{a_2}C{O_3} \to C{H_3}{\rm{COONa + }}{{\rm{H}}_2}O + C{O_2} \uparrow \) d) \(2C{H_3}{\rm{COOH}} + Mg \to {(C{H_3}{\rm{COO}})_2}Mg + {H_2} \uparrow \) e) \({(C{H_3}{\rm{COO}})_2}Ba + C{\rm{uS}}{O_4} \to {(C{H_3}{\rm{COO}})_2}Cu + B{\rm{aS}}{O_4} \downarrow \)
