A 2.0g mixture of Na(2)CO(3) and NaHCO(3...

A 2.0g mixture of `Na_(2)CO_(3) and NaHCO_(3)` suffered a loss of 0.12g on heating. Percentage of `Na_(2)CO_(3)` in the mixture-

83.8

16.2

38.8

61.2

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