Saturday, May 27, 2023
A solution contains Na 2 CO 3 and NaHCO 3 . 10 mL of the solution required 2.5 mL of 0.1 M H 2 SO 4 for neutralisation using phenolphthalein as indicator. Methyl orange is then added when a further 2.5 mL of 0.2 M H 2 SO 4 was required. Calculate the amount of Na 2 CO 3 and NaHCO 3 in one litre of the solution.
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