What is the formula for cobalt (II) phosphate?
What is the chemical formula for cobalt (II) phosphate, and could you provide some context regarding its properties and applications?
6 Answers
The phosphate ion, PO4, has a -3 charge, so for divalent
cobalt, or Co(II), the formula is: Co3(PO4)2
Hope this answers your question.
To do this follow the following steps;
1. find the element symbol in the question in this case cobalt is Co and phosphate is a polyatomic ion, (there is no way to know the empirical formula so you would need to look it up) in this case its PO4 with a -3 charge)
2. you would then criss cross the charges, and you know that Co has a charge of +2 because of the roman numbers.
3. when you criss cross the charges you would get;
Co3(PO4)2
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