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How many oxygen atoms are represented by the formula Fe(CIO4)3? iron(III) chlorate
3
16
12
4

Sagot :

Answer:

12

Explanation:

the 4 by the element symbol O multiplied by the 3 on the outside of the parentheses

Sarah06109idn

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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