Question

Помогите пожалуйста!!!!

Answer 1

a)СuO + 2HCl = CuCl2 + H2O

CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl

б) P2O5 + 3H2O = 2H3PO4

Answer 2

a) $CuO + 2HCl = Cu Cl_{2} + H_{2} O$

$Cu Cl_{2} + 2NaOH = Cu (OH)_{2} + 2NaCl$

б) $P_{2} O_{5} + 3 H_{2} O = 2 H_{3}P O_{4}$