If we consider that $1 / 6$, in place of $1 / 12$, mass of carbon atom is taken to be the relative atomic…
If we consider that $1 / 6$, in place of $1 / 12$, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of the substance will
be a function of the molecular mass of the substance
remain unchanged
increase two fold
decrease twice
Solution
Let's call the new unit amu'. Taking this to be the standard, the mass of 1 atom would be \(1 / 2\) times the old amu - hence, \(1 \mathrm{amu}=2 \mathrm{amu}\) ', but hold on, the mass of 1 mole of carbon will be the mass of carbon in amu'* mass of amu'* avagadro number \(=2 \mathrm{amu}^{\prime} * 1 / 2\) (mass of amu in \(\mathrm{g}){ }^* \mathrm{~N}=\) the old mass itself!
So mass remains unchanged.
.