11. P2O5 + H2O → 12. Cu + HCl → 13. Al + Cu(NO3)2 → 14. Ag2O + HCl → 15. BaCl2 + NaOH
2 câu trả lời
$11)P_2O_5+3H_2O\to 2H_3PO_4$
$12)Cu+HCl\to X$
$13)2Al+3Cu(NO_3)_2\to 2Al(NO_3)_3+3Cu\downarrow$
$14)Ag_2O+2HCl\to 2AgCl\downarrow+H_2O$
$15)BaCl_2+NaOH\to X$
Em tham khảo nha:
\(\begin{array}{l}
11)\,{P_2}{O_5} + 3{H_2}O \to 2{H_3}P{O_4}\\
12)\,Cu + HCl \to \text{ Không phản ứng } \\
13)\,4Al + 3Cu{(N{O_3})_2} \to 2Al{(N{O_3})_3} + 3Cu\\
14)\,A{g_2}O + 2HCl \to 2AgCl + {H_2}O\\
15)\,BaC{l_2} + NaOH \to \text{ Không phản ứng }
\end{array}\)