How does Avogadro's number relate the molecular masses of pure nitrogen gas (N2), pure oxygen gas (O2), and pure chlorine gas (Cl2)?

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explanation:

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

1.solid

2.carbon dioxide

3.helium