1.

A sample of a mixtureof Na_(2)CO_(3) and NaHCO_(3) is subjected toheatingtill there is nofurther loss in weight. Assuming, that the loss in weight of thesample is 22% of theinitial weight of the mixture due to theevolution of CO_(2), find out the relative percentages of the two components in themixture.

Answer»

Solution :(i) action of heating on the compounds `Na_(2)CO_(3) and NaHCO_(3)`.
(ii) determination of the mass of `Na_(2)CO_(3) and NaHCO_(3)` from themass of `CO_(2)` produced
(iii) `84%NaHCO_(3)`
`16%Na_(2)CO_(3)`


Discussion

No Comment Found