1.

A and B are two element which form AB_(2) and A_(2)B_(3). If 0.18 mol of AB_(2) weighs 10.6g and 0.18 mol of A_(2)B_(3) weighs 17.8g then -

Answer»

ATOMIC MASS of A is 20.05
atomic mass of B is 20.05
atomic mass of A is 18.8
atomic mass of B is 18.8

Answer :A::D


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