Question

4. Balance the following chemical equations :
(a) PbCO3
HNO3
Pb(NO3)2
H2O
CO2,
​

Answer 1

Answer:

PbCO3 (s) + 2 HNO3 (aq) → Pb(NO3)2 (aq) + CO2 (g) + H2O (l)

Explanation:

Answer 2

Answer:

sorry i don't know this anwer