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frutty [35]
3 years ago
10

What is formula for chromium (III) phosphate trihydrate and cobalt (II) phosphate octahydrate

Chemistry
2 answers:
jolli1 [7]3 years ago
7 0

The formula for  chromium (III) phosphate trihydrate is CrPO4- 3H20. This compound if in the anhydrous state,  exists as a green crystal whereas a hydrated form violet crystal. The formula for cobalt(II) phosphate octahydrate is Co3(PO4)2•8H2O.
lozanna [386]3 years ago
6 0

Answer:

1. Chromium (III) phosphate trihydrate: CrPO₄•3H₂O

2. Cobalt (II) phosphate octahydrate: Co₃(PO₄)₂•8H₂O

Explanation:

Chromium (III) phosphate is an inorganic chemical compound having the chemical formula CrPO₄, in which the chromium metal is present in the +3 oxidation state. The anhydrous chromium (III) phosphate is green in color.

<u>The trihydrate chromium (III) phosphate has the chemical formula CrPO₄•3H₂O.</u>

Cobalt (II) phosphate, also called cobalt violet, is an inorganic chemical compound having the chemical formula Co₃(PO₄)₂, in which cobalt is present in +2 oxidation state.

<u>The octahydrate cobalt (II) phosphate has the chemical formula Co₃(PO₄)₂•8H₂O</u>

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