Question

Ca → CaO → Ca(OH)2 → Ca(NO3)2 → CaCo3
помогите плз ​

Answer 1

1) 2Ca + O2 = 2CaO

2) CaO + H2O = 2Ca(OH)2

3) Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O

4) Ca(NO3)2 + H2CO3 = CaCO3 + 2HNO3