edixson edixson

03-12-2021
Chemistry

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calcium hydrogen carbonate formula

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simplygabbie713 simplygabbie713

03-12-2021

the formula for calcium hydrogen carbonate is Ca(HCO3)2.
there is a 2 on the outside because calcium has a +2 charge and carbonate has a -1 charge, so in order to make the formula true, you have to “criss cross” the charges down

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