Calculate the number of formula units in 12.5 mol of calcium carbonate CaCO3

5.32 mol CaCO3 × (6.022 × 1023 formula units/mol) = 3.30 × 1024 formula units

Explanation:

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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).

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