Viết phương trình phân tử, ion rút gọn:
a) \(BaCl_2+LiOH\rightarrow\)
b) \(CH_3COONa+NaOH\xrightarrow[CaO]{t^\circ}\)
c) \(CaCO_3+HNO_3\rightarrow\)
d) \(Cu+HCl+NaNO_3\rightarrow\)
e) \(NH_4Cl+NaNO_2\xrightarrow[]{t^\circ}\)
f) \(NaCl+H_2O\xrightarrow[cmn]{đpdd}\)
a) \(BaCl_2+LiOH\rightarrow\text{không phản ứng}\)
b) \(CH_3COONa+NaOH\xrightarrow[CaO]{t^\circ}Na_2CO_3+CH_4\uparrow\)
Ion RG: \(CH_3COO^-+OH^-\xrightarrow[CaO]{t^\circ}CO_3^{2-}+CH_4\uparrow\)
c) \(CaCO_3+2HNO_3\rightarrow Ca\left(NO_3\right)_2+H_2O+CO_2\uparrow\)
Ion RG: \(CaCO_3+2H^+\rightarrow Ca^{2+}+H_2O+CO_2\uparrow\)
d) \(3Cu+8HCl+8NaNO_3\rightarrow3Cu\left(NO_3\right)_2+8HCl+2NO\uparrow+4H_2O\)
Ion RG: \(3Cu+8H^++2NO_3^-\rightarrow3Cu^{2+}+2NO\uparrow+4H_2O\)
e) \(NH_4Cl+NaNO_2\xrightarrow[]{t^\circ}NaCl+N_2\uparrow+2H_2O\)
Ion RG: \(NH_4^++NO_2^-\rightarrow N_2\uparrow+2H_2O\)
f) \(2NaCl+2H_2O\xrightarrow[cmn]{đpdd}2NaOH+Cl_2\uparrow+H_2\uparrow\)
Ion RG: \(2Cl^-+2H_2O\xrightarrow[cmn]{đpdd}2OH^-+Cl_2\uparrow+H_2\uparrow\)