Question

formula of preparing washing soda​

Answer 1

Hey mate.. ♡

NaCl +NH3 +CO2 +H2O → NaHCO3 +NH4Cl

2NaHCO3 → Na2CO3 +H2O +CO2
                  Soda ash

Na2CO3 + 10H2O → Na2CO3.10H2O
                             Washing Soda

HOPE IT HELPS. ♥

Answer 2

WASHING SODA also know as SODIUM CARBONATE DECAHYDRATE .The formula for washing soda is Na2CO3.10H20

And washing soda contains 10 molecules of water of crystallisation

Formula for preparing washing soda is:

NaCl + NH3 + H2O + CO2 = NaHCO3 + NH4Cl

NHCO3 heat will give us Na2CO3 + CO2 +H20