Question

Осуществите превращения:
Ca - CaO - Ca(OH)2 - Ca (NO3)2

Answer 1

2Ca + O₂ = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O

Answer 2

2Ca + O2 --> 2CaO
CaO+HOH-->CA(OH)2
Ca(OH)2+2HNO3-->Ca(NO3)2+2H2O