`4.08 g` of a mixture of `BaO` and an unknown carbonate `MCO_(3)` was heated strongly.
Channel: Doubtnut
Date: 2020-07-05

`4.08 g` of a mixture of `BaO` and an unknown carbonate `MCO_(3)` was heated strongly. The residue weighed `3.64 g`. This was dissolved in `100 mL` of `1 N HCl`. The excess of acid required of `16 mL` of `2.5 N NaOH` for complete neutralisation. Identify the matal `M`.