JEE Main Chemistry question

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

(A)Decrease twice
(B)Increase two folds
(C)Remain unchangedCorrect
(D)Be a function of the molecular mass of the element

Answer: (C)

Solution

A mole is a fixed count of particles (Avogadro's number), fixed independently of how the atomic mass unit is defined. Redefining the reference unit only changes the numeric

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Question ID VK-131030