Question

A 0.7500-g carbonate mixture was dissolved in water and then titrated with 0.2000 N HCl, requiring 24.20 mL for the phenolphthalein endpoint. In another flask, 40.20 mL of the acid was required to reach the bromocresol green endpoint. Calculate the %NaOH, %NaHCO₃, and %Na₂CO₃ in the mixture.

Answer 1

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