Question

What is the difference between unified mass and mass measured in kilograms​

Answer 1

Answer:

unified means verified and constant.

kilograms are not constant. it varies.

Answer 2

Explanation:

The dalton or unified atomic mass unit (symbols: Da or u) is a unit of mass widely used in physics and chemistry.

Kilogram (kg), basic unit of mass in the metric system. A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 kg, exactly.