Question

the number of units atoms in a sample 1 mole of sodium chloride

Answer 1

There are 6.022 × 10^23 atoms in 1 mole of any substance, may it be NaCl or any other.


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Answer 2

U must be knowing avogadro number. =6.023*10^23 molecules or atoms.

So 1 mole of sodium chloride contains 6.023*10^23 atoms