If 1/6 in place of 1/12 of mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

(3) Avogadro's number depends upon the basis of the atomic weight scale.∵   12 g C=6.023 × 1023 atoms∴    6 g C=6.023 × 1023×6  12           =12 × 6.023 ×1023  atoms=Av.No.Or  1  amu=1N=26.023  × 1023 = 3.3 ×10−24gLet molar mass of an element be M amuThen  M amu = M ×  3.3  ×  10−24   g∴   Mass  of  mole=M  ×  3.3  ×  10−24 ×  Av.No.                      =M  ×  3.3  × 10−24  ×  12   ×   6.023   ×  1023  =  Mg