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A solution contains Na_(2)CO_(3) and NaHCO_(3) 20 cm^(3) of this solution requires 5.0 cm3 of 0.1 M H_(2) SO_(4) solution for neutralization using phenolphthalein as the indicator. Methylorange is then added when a further 5.0 cm^(3) of 0.2 M H_(2)SO_(4) was required. Calculate the masses of Na_(2)CO_(3) and NaHCO_(3) in 1 L of this solution. |
| Answer» SOLUTION :5.3g,4.2g | |