Question:
Write the chemical formulae for the following compounds :
(a) Copper (II) bromide
(b) Aluminium (III) nitrate
(c) Calcium (II) phosphate
(d) Iron (III) Sulphide
(e) Mercury (II) chloride
(f) Magnesium (II) acetate.
Solution:
(a) CuBr 2
(b) $\mathrm{Al}\left(\mathrm{NO}_{3}\right)_{3}$
(c) $\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}$
(d) $\mathrm{Fe}_{2} \mathrm{~S}_{3}$
(e) $\mathrm{HgCl}_{2}$
(f) $\mathrm{Mg}\left(\mathrm{CH}_{2} \mathrm{COO}\right)_{2}$.
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