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Sagot :
Answer:
12
Explanation:
the 4 by the element symbol O multiplied by the 3 on the outside of the parentheses
Answer:
[tex]\boxed {\boxed {\sf C. \ 12 \ oxygen \ atoms }}[/tex]
Explanation:
We are given the chemical formula:
[tex]Fe(ClO_4)_3[/tex]
There are 3 elements here:
- Fe: Iron
- Cl: Chlorine
- O: Oxygen
The question asks for the number of oxygen atoms, so we can just focus on the O in the formula.
The O has a subscript of 4, indicating there are 4 oxygen atoms in the compound. But the compound is also enclosed in parentheses with a subscript of 3. Therefore, there are 3 of the compounds with 4 oxygen atoms.
We can multiply 3 and 4.
- 3*4= 12
There are 12 oxygen atoms.
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