Two elements A and B which form 0 . 15 moles of A 2 B and AB 3 type compounds. If both A 2 B and AB 3 weigh equally, then the atomic weight of A is____times of atomic weight of B .

Step-by-step solution

Given: Molar mass of A 2 B = AB 3 ∴   2 A + B = A + 3 B A → Atomicwt .   of   A B → Atomicwt .   of   B ⇒ A = 2   B ∴ atomic wt. of A is 2 times of atomic wt. of B Integer answer is 2 .