One Dalton (the unit of molecular weight) is equal to......

Options :
  1. One sixth the mass of Carbon 12 atom
  2. One twelfth the mass of Carbon 12 atom
  3. One half the mass of Carbon 12 atom
  4. Equal to the mass of Carbon 12 atom
Answer and Explanation :-

Answer: Option 2

Explanation:

The unified atomic mass unit (symbol: u) or dalton (symbol: Da) is the standard unit that is used for indicating mass on an atomic or molecular scale (atomic mass). It is defined as one twelfth of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state, and has a value of 1.660538921(73)×10?27 kg.

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