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How many oxygen atoms are present in one formula unit of potassium carbonate, [tex]$K_2CO_3$[/tex]?

A. 2 atoms
B. 1 atom
C. 1.5 atoms
D. 3 atoms

Sagot :

GinnyAnsweridn
To determine the number of oxygen atoms in one formula unit of potassium carbonate ([tex]\(K_2CO_3\)[/tex]), let's break down the chemical formula [tex]\(K_2CO_3\)[/tex].

1. The formula [tex]\(K_2CO_3\)[/tex] represents potassium carbonate.
2. In this formula:
- [tex]\(K_2\)[/tex] signifies there are 2 potassium (K) atoms.
- [tex]\(C\)[/tex] signifies there is 1 carbon (C) atom.
- [tex]\(O_3\)[/tex] signifies there are 3 oxygen (O) atoms.

Therefore, one formula unit of potassium carbonate ([tex]\(K_2CO_3\)[/tex]) contains 3 oxygen atoms.

The correct answer is:
D. 3 atoms
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