It would have 8 neutrons. Since the atomic number = the number of protons in the atom, oxygen has 8 protons. If the atomic mass is made up of protons and neutrons, then it would have 8 neutrons as well (8+8=16)
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Answer:
<h3>The answer is 0.25 moles</h3>
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question
N = 1.505 × 10²³ Na atoms
We have
We have the final answer as
<h3>0.25 moles</h3>
Hope this helps you
Some measure of examining information