The atomic weights of two alements A and B are 40 and 80 reapectively. If x g of A contains y atoms, how many atoms are present in 2x g of B?

The atomic weights of two elements (A and B) are 20 and 40 respectively. If x % of A contains y atoms, how many atoms are present in 2x g of B?

The atomic masses of two elements A and B are 20 and 40 respectively. If x gm of A contains Y atoms, how many atoms are present in 2x gm of B

How many atoms are present in 12g carbon?

The atomic masses of two elements "P" and "Q" are "20" and "40" respectively. If "a" ' "g" of "P" contains "'b" ' atoms, how many atoms are present in "'2a" 'g of Q?

Atomic mass of two compounds A and B is 30 and 60 respectively. Iff Xg of A contains Y atoms then no of atoms present in 2Xg of B is-