4.08 g of a mixture of BaO and unknown carbonate MCO_3 was heated strongly. The residue weighed 3.64 g. This was disso

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Q 1109867718.     4.08 g of a mixture of BaO and 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 acid required 16 mL of 2.5 N NaOH solution for complete neutralization. Identify the metal M.
JEE 1983
A

Na

B

Al

C

Ca

D

K

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