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A mixture of Li(2)CO(3) and Na(2)CO(3) i...

A mixture of `Li_(2)CO_(3)` and `Na_(2)CO_(3)` is heated strongly in an open vessel .If the loss in the mass of mixture is `(220)/(9)` % .The molar ratio of `Li_(2)CO_(3)` and `Na_(2)CO_(3)` in the initial mixture is (Li = 7,Na = 23)

A

`1:1`

B

`1:2`

C

`2:1`

D

`11:4`

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A
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