Question

какое вещество NaOH+HCL -> ? H2O

Answer 1

NaOH + HCl -> NaCl + H2O
Na[+] + OH[-] + H[+] + Cl[-] -> Na[+] + Cl[-] + H2O
H[+] + OH[-] -> H2O

Answer 2

NaOH + HCl = NaCl + H₂O
вещество NaCl  - хлорид натрия