following reactions1 naoh co2 m nahco3 m

Question

Following reactions

(1) NaOH + CO₂+ M = NaHCO₃ + M, K1

(2)NaHCO₃+ H = Na + H₂CO₃, K₂

(3) 2NaHCO₃+ M = (NaHCO₃)₂ + M, K₃ ki's are the rate constants.

Suppose NaHCO₃ is a dominating constituent (Can't use steady-state method). How to find the production rate of NaHCO₃???