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 phenophthalein as indicator. Methyl orange is then added when a further 2.5 mL of 0.2 M H_(2)SO_(4) was required . Then the amount of Na_(2)CO_(3) " and " NaHCO_(3) in 1 litre of the solution is :

A solution contains Na_(2)CO_(3) " and " NaHCO_(3). 10 mL of the solut

1.	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 phenophthalein as indicator. Methyl orange is then added when a further 2.5 mL of 0.2 M H_(2)SO_(4) was required . Then the amount of Na_(2)CO_(3) " and " NaHCO_(3) in 1 litre of the solution is :
Answer» 5.3 G and 4.2 g 3.3 g and 6.2 g 4.2 g and 5.3 g 6.2 g and 3.3 g Solution :N//A