Question

How to calculate formula mass? Plus, also tell what is atomic mass. Is it atomic number or what?​

Answer 1

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1. How to calculate formula mass?
2. what is atomic mass.
3. is atomic mass and atomic number same?

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1. ⟼ To calculate formula mass, multiply the subscript of each element in the formula by the element's atomic weight (relative atomic mass) found on the periodic table. The unit for formula mass is either u or Da (Daltons).
2. the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
3. The major difference between atomic number and mass number is that the atomic number states the number of protons present in an atom whereas, the mass number indicates the total of the number of protons and the number neutrons present in an atom.

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