samblackforever samblackforever 16-01-2024 Chemistry contestada 12g of a mixture of anhydrous sodium trioxocarbonate (IV), Na2Co3 and Sodium chloride were made up of 1dm³ of aqueous solution . 25cm³ of this mixture were neutralized by 20cm³ of 0.2m HCL. What is the percentage of purity of Na2co3?