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How are parentheses used in chemical formulas
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How are parentheses used in chemical formulas

User Oshun
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In a chemical compound, parenthesis are used to distinguish the number of polyatomic ions from the number of atoms. Such as in the compound calcium nitrate, it is written as
Ca(NO_(3) ) _(2). This means there are two nitrate ions for every one calcium ion.
User MrSponge
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it is meant to distinguish the number of polyatomic ions from the number of atoms in a given polyatomic ion. an example is Ca(NO3)2
User Aashish P
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