CHEM

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what is the charge of a PHOSPITE ?
and how do i write it?

• CHEM -

phosphate = PO4-3

phosphite = PO3</-3

Here is a good site for all of the polyatomic ions, including phosphite ion.

• CHEM -

phosphite should be PO3-3

• CHEM -

okay then, what is calcium phospite?

• CHEM -

Ca3(PO3)3 in my book. However, to be fair about it, I looked on the web AND in The Merck Index and found CaHPO3 and it was labeled calcium phosphite. Technically, however, that should be called calcium hydrogen phosphite

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