How will you distinguish between sodium carbonate and sodium bicarbonate solution using indicator?
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The aqueous solution of both Na2CO3 and NaHCO3 are weakly basic in nature due to their hydrolysis. But NaHCO3 solution is so weakly basic that phenolphtalien solution does not turn pink when added to it. Where as this indicator solution turns pink when Na2CO3 is added to it..Thus we can distinguish between these two solution.
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