The atomic mass unit (AMU) is a unit of mass used to express the relative masses of atoms and molecules. The definition of the AMU is based on the mass of a specific isotope of carbon, carbon-12. Currently, the standard definition of the AMU is such that 1 AMU is equal to 1/12th the mass of a carbon-12 atom.
If we were to redefine the AMU such that it is equal to 1/6th instead of 1/12th the mass of a carbon-12 atom, it would have significant implications for the atomic masses of all elements. In this hypothetical scenario, all atomic masses would be doubled compared to their current values.
The mole is a unit of measurement used in chemistry to express the amount of a substance. It represents a specific number of entities, which is approximately 6.022 x 10^23 entities and is known as Avogadro's number. The mole allows us to relate the mass of a substance to the number of atoms or molecules it contains.
If we were to change the definition of the AMU as you suggested, it would not directly affect the mole. The mole is independent of the atomic mass unit. The Avogadro's number, which defines the mole, remains the same regardless of the definition of the AMU.
Therefore, if we redefine the AMU as 1/6th the mass of a carbon-12 atom, it would not alter the mole of a substance. The number of moles would still be determined by the Avogadro's number, which remains unchanged.