Do all of them have a unit?
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"Do all of them have a unit?"
Yes. However, there is a difference between usage of amu and g/mol (other than the fact that amu is used for single atoms or molecules and g/mol is used for macroscopic amounts).
Relative atomic mass usually uses amu. However, sometimes a person ignores usual usage and writes g/mol when using the term "relative atomic mass."
Relative molecular mass isn't seen that much, but could be amu or g/mol, depending on context.
Molar mass uses g/mol.
Often, the word weight is used when amu is desired, as in "relative atomic weight" and mass is used when g/mol is the desired unit.
Yes. However, there is a difference between usage of amu and g/mol (other than the fact that amu is used for single atoms or molecules and g/mol is used for macroscopic amounts).
Relative atomic mass usually uses amu. However, sometimes a person ignores usual usage and writes g/mol when using the term "relative atomic mass."
Relative molecular mass isn't seen that much, but could be amu or g/mol, depending on context.
Molar mass uses g/mol.
Often, the word weight is used when amu is desired, as in "relative atomic weight" and mass is used when g/mol is the desired unit.
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amu = atomic mass units