CuO + 2HCl = CuCl2 + H2↑
CuO + 2H+ + 2Cl - = Cu2+ + 2Cl - + H2↑
CuO + 2H+ = Cu2+ + H2↑
СО2 + H2O = H2CO3
3HCl + Al(OH)3 (тв) = AlCl3 + 3H2O
3H+ + 3Cl - + Al(OH)3 (тв) = Al3+ + 3Cl - + 3H2O
3H+ + Al(OH)3 (тв) = Al3+ + 3H2O
HCl + AgNO3 = AgCl↓ + HNO3
H+ + Cl - + Ag+ + NO3- = AgCl↓ + H+ + NO3-
Ag+ + Cl - = AgCl↓
CuO + 2HCl = CuCl2 + H2↑
CuO + 2H+ + 2Cl - = Cu2+ + 2Cl - + H2↑
CuO + 2H+ = Cu2+ + H2↑
СО2 + H2O = H2CO3
3HCl + Al(OH)3 (тв) = AlCl3 + 3H2O
3H+ + 3Cl - + Al(OH)3 (тв) = Al3+ + 3Cl - + 3H2O
3H+ + Al(OH)3 (тв) = Al3+ + 3H2O
HCl + AgNO3 = AgCl↓ + HNO3
H+ + Cl - + Ag+ + NO3- = AgCl↓ + H+ + NO3-
Ag+ + Cl - = AgCl↓