A sample of baking powder ( NaHCO3) was found to have been contaminated with soda ash ( sodium carbonate). 4.39 grams of sample were dissolved in water and titrated against 0.1M of HCL. Titration using phenolphtaleine indicator needed 16.4 ml of the acid while the titration with methylorange give the end point at 28.2ml of the acid. Calculate the percentage composition of each salt in the mixture.
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