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

`10 g` mixture of `NaHCO_(3)` and `Na_(2)CO_(3)` has `1.68 g NaHCO_(3)`.
It is heated at `400 K`. Weight of the residue will be

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19 g of a mixture containing NaHCO_(3) and Na_(2)CO_(3) , on complete heating liberated 1.12 L of CO_(2) at STP. The weight of the remaining solid was 15.9 g. What is the weight (in g) of Na_(2)CO_(3) , in the mixture before heating?

19g og a mixture containing NaHCO_(3) and Na_(2)CO_(3) on complete heating liberated 1,12L of CO_(2) at STP. The weight of the remaining solid was 15.9g . What is the weight (in g) of Na_(2)CO_(3) in the mixture before heating ?

A sample contains a mixtrure of NaHCO_(3) and Na_(2)CO_(3) . HCl is added to 15.0 g .of the sample, yielding 11.0 g of NaCl . What percent of the sample is Na_(2)CO_(3) ? [{:("Reaction are"),(Na_(2)CO_(3) + 2HCl rarr 2NaCl + CO_(2) + H_(2) O),(NaHCO_(2) + HCl rarr NaCL + CO_(2) + H_(2) O):}] Mw "of" NaCl = 58.5, Mw "of" NaHCO_(3) = 84, Mw "of" Na_(2)CO_(3) = 106 g mol^(-1)

A sample contains a mixtrure of NaHCO_(3) and Na_(2)CO_(3) . HCl is added to 15.0 g .of the sample, yielding 11.0 g of NaCl . What percent of the sample is Na_(2)CO_(3) ? [{:("Reaction are"),(Na_(2)CO_(3) + 2HCl rarr 2NaCl + CO_(2) + H_(2) O),(NaHCO_(2) + HCl rarr NaCL + CO_(2) + H_(2) O):}] Mw "of" NaCl = 58.5, Mw "of" NaHCO_(3) = 84, Mw "of" Na_(2)CO_(3) = 106 g mol^(-1)