Question

Write the formula and calculate the molecular mass of common salt.

Answer 1

Formula:

• It is a symbolic representation of a molecule or an atom.

Molecular mass:

• It is the sum of the atomic masses of all the elements.
• Each atom has different atomic masses.

Common salt:

• The chemical formula for common salt is $\mathrm{NaCl}$.
• The chemical name is Sodium Chloride.
• The molecular mass of common salt is $23+35.5=58.5\mathrm{u}$