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Answer:</h2>
<em>Hello, </em>
<h3><u>
QUESTION)</u></h3>
Whatever the chemical entity, one mole of an entity contains 6.02 x 10²³ entities, this is the Avogadro constant (Na).
<em>N = 2 x Na</em>
- N = 2 x 6.02 x 10²³
- N = 1.204 x 10²⁴
There are therefore 1.204 x 10²⁴ molecules of water in 2 moles of water.
Answer: B- a roll of photographic film
Explanation:
Founders education answer