Write the balance equation
I tried to solve my homework , but I face some problem Im not sure about it and another I can't solve it..
Im not sure about the solve , could you check if it is right or wrong
1- (Salt + dil. HCl) with Carbonate
CO3^2- + 2HCl -----> CO2 + H2O+ 2Cl^-
2- (Solution + HgCl2) with Crbonate
CO3^2- + HgCl2 -----> HgCO3 + 2Cl^-
3- (Solution +MgSO4) with Crbonate
CO3^2- + MgSO4 -----> MgCO3 + SO4^2-
4- (Salt + dil. HCl) with Bicarbonate
HCO3^2- + HCl -----> CO2 + H2O+ Cl^-
5- (Solution +HgCl2) with Bicarbonate
HCO3^2- + HgCl2 -----> HgCO3 + HCl
6- (Solution +MgSO4) with Bicarbonate
HCO3^2- + MgSO4-----> MgCO3+ HSO4
7- (Salt + dil. HCl) with Nitrite
NO2^- + HCl -----> HNO3 + Cl
8- (Solution +AgNO3) with Nitrite
NO2^- + AgNO3 -----> AgNO2 + NO3
I can't solve it
1- (Solution + acidified KMnO4) with Nitrite
2- (Salt + dil. HCl) with thiosulphate
3- (Solution +AgNO3) with thiosulphate
4- (Solution + acidified KMnO4) with thiosulphate