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To find number of ions in a chemical formula, you must know how the molecule dissociates or ionizes. For example, the salt NaCl ionizes to Na^+ and Cl^- so there are 2 ions. But the salt CaCl2 ionizes into Ca^2+ and 2 Cl2^2, so there are 3 ions (1 calcium and 2 chloride).

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8y ago
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5mo ago

To find the number of ions in a chemical formula, you need to look at the charges of the individual atoms in the formula. Each ion has a specific charge, such as +1 for sodium (Na+) and -1 for chloride (Cl-). By adding up the charges of all the atoms in the formula, you can determine the total number of ions present.

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Q: How do you find how many ions are in a chemical formula?
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