Question

Люди помогите с химией

Answer 1

Ответ:

1.SO2 + 2KOH = K2SO3 + H2O

2. PbO + 2HNO3 = Pb(NO3)2+H2O

3. MgO + SO3 = MgSO4

4. CaO + H2O = Ca(OH)2

5.P2O5 + 3 H2O = 2 H3PO4

1. 2Ca + O2 = 2CaO

CaO + H2O = Ca(OH)2

2. 4P + 5 O2 = 2 P2O5

P2O5 + 6 NAOH = 2 NA3PO4 +3 H2O