viết pt phân tử , pt ion đầy đủ , pt ion rút gọn cho các phản ứng sau:
1, Ca(HCO3)2 + NaOH
2, Ca(HCO3)2 + Ca(OH)2
3, KHCO3 + HCl
4, Cu(NO3)2 +Na2SO4
5, CaCl2 + Na3PO4
6, NaHS + HCl
viết pt phân tử , pt ion đầy đủ , pt ion rút gọn cho các phản ứng sau: 1, Ca(HCO3)2 + NaOH 2, Ca(HCO3)2 + Ca(OH)2 3, KHCO3 + HCl 4, Cu(NO3)2 +Na2SO4
By Katherine
Em tham khảo nha:
\(\begin{array}{l}
1)\\
Ca{(HC{O_3})_2} + 2NaOH \to CaC{O_3} + N{a_2}C{O_3} + 2{H_2}O\\
C{a^{2 + }} + 2HC{O_3}^ – + 2N{a^ + } + 2O{H^ – } \to CaC{O_3} + 2N{a^ + } + C{O_3}^{2 – } + 2{H_2}O\\
C{a^{2 + }} + HC{O_3}^ – + O{H^ – } \to CaC{O_3} + {H_2}O\\
2)\\
Ca{(HC{O_3})_2} + Ca{(OH)_2} \to 2CaC{O_3} + 2{H_2}O\\
C{a^{2 + }} + 2HC{O_3}^ – + C{a^{2 + }} + 2O{H^ – } \to 2CaC{O_3} + 2{H_2}O\\
C{a^{2 + }} + HC{O_3}^ – + O{H^ – } \to CaC{O_3} + 2{H_2}O\\
3)\\
KHC{O_3} + HCl \to KCl + C{O_2} + {H_2}O\\
{K^ + } + HC{O_3}^ – + {H^ + } + C{l^ – } \to {K^ + } + C{l^ – } + C{O_2} + {H_2}O\\
HC{O_3}^ – + {H^ + } \to C{O_2} + {H_2}O\\
4)\text{ Không tác dụng }\\
5)\\
3CaC{l_2} + 2N{a_3}P{O_4} \to C{a_3}{(P{O_4})_2} + 6NaCl\\
3C{a^{2 + }} + 6C{l^ – } + 6N{a^ + } + 2P{O_4}^{3 – } \to C{a_3}{(P{O_4})_2} + 6NaCl\\
3C{a^{2 + }} + 2P{O_4}^{3 – } \to C{a_3}{(P{O_4})_2}\\
6)\\
NaHS + HCl \to NaCl + {H_2}S\\
N{a^ + } + H{S^ – } + {H^ + } + C{l^ – } \to N{a^ + } + C{l^ – } + {H_2}S\\
H{S^ – } + {H^ + } \to {H_2}S
\end{array}\)