1) Ammonium phosphate = (NH4)3PO4
Click to see a detailed solution of the formula above.
2) Copper(II) phosphate = Cu3(PO4)2
3) Silver nitride = Ag3N
4) Iron(II) oxide = FeO
5) Lead(II) chloride = PbCl2
6) Chromium sulfide = Cr2S3
7) Iron(III) carbonate = Fe2(CO3)3
8) Zinc hydroxide = Zn(OH)2
9) Barium nitrate = Ba(NO3)2
10) Tin(II) bromide = SnBr2
11) Sodium hydrogen sulfide = NaHS
12) Aluminium sulfide = Al2S3
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Iron(III) sulfate
Copper dichromate
Aluminium hydroxide
Calcium carbonate
Calcium phosphate
Potassium oxide
Lead acetate
Nickel fluoride
Silver carbonate
Calcium sulfite
Lithium nitride
Lead iodide
Aluminium oxide
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Step 1 Write the formula for each ion
Ammonium (NH4+)
Phosphate(PO43-)
Step 2 Balance for charge. We have one positive charge and three negative charges. To balance the charge we need three lots of NH4+
Step 3 Write the
formula using subscript and brackets.
(NH4)3PO4
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Ionic
formulae
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