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19-05-2022
Chemistry

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How many calcium atoms will you need to balance this: Ca(PO4)

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aishas94 aishas94

19-05-2022

Answer: 2

Explanation: Calcium has a +2 charge and PO4 has a -1 charge. When writing this expression, the charges are flipped; instead of Ca2(PO4), it's Ca(PO4)2.

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