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grigory [225]
3 years ago
10

Calcium hydrogen carbonate formula

Chemistry
1 answer:
ki77a [65]3 years ago
3 0
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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