The carbon is considered because it is form by oxygen atoms
Answer:
<h2>10 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer as
<h3>10 g/cm³</h3>
Hope this helps you
Answer:
The average atomic mass of oxygen is 15.999u
According to the law of conservation of matter, the number of Atoms<span> is not changed by a chemical reaction.
</span><span>
They're the same before and after a chemical reaction</span>
<span>The number of atoms in 4.75 moles of gold (Au) is found using Avogadro's number, which is 6.022Ă—1023 mol-1. Determine the number of atoms by multiplying 4.75 moles by Avogadro's number. The number of atoms in 4.75 moles of gold is 2.8605172125000205e24.</span>