One  mole  of   element   X   has  0.444 times  the mass of one  mole of element
Channel: Doubtnut
Date: 2020-04-19

One  mole  of   element   X   has  0.444 times  the mass of one  mole of element   Y. One atom  of  element  X has  `2.96 times` the mass of one atom  of `.^(12)C` . What  is the atomic mass of   Y ?