Can someone help please

1. 252.535

2. 790.830

3. 8,730,000 atoms

4. 4.0 x 10^-9 mol

5. one mole of mole of water contains 6.02 x 10^23

Explanation:

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answer; i believe the correct answer is (solid gold);

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).