What is the ratio in Caco³

May 20, 2026Mathematics

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Answer

1:1:3

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The ratio in $\text{CaCO}_3$ refers to the ratio of the number of atoms of each element present in one molecule of calcium carbonate.

Identify the elements and their respective subscripts in the chemical formula $\text{CaCO}_3$ .
- Calcium (Ca): The subscript is 1 (implied).
- Carbon (C): The subscript is 1 (implied).
- Oxygen (O): The subscript is 3.
Write the ratio of the number of atoms for each element.
The ratio of Calcium : Carbon : Oxygen atoms is $1:1:3$ .

The ratio in $\text{CaCO}_3$ is $\boxed{1:1:3}$ .

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