The element 'A' and 'B' combine together...

The element 'A' and 'B' combine together to give two compounds `A_(2) B_(3)` and `AB_(2)` . The weight of 0.2 mole of `A_(2) B_(3)` is 26 gm . The weight of 0.3 mole of `AB_(2)` is 24 g m . Then the atomic weight of A and B respectively

15,20

20,25

20,30

25,30

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