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Empirical Formula

Write formula...

Question

Write formulae of the following compounds.
Sodium phosphate, Aluminium chloride, Calcium oxide, Potassium nitrate, Ammonium hydroxide

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Solution

Sodium phosphate $- N a_{3} {P O}_{4}$
Aluminium chloride $- {A l C l}_{3}$
Calcium oxide $- C a O$
Potassium nitrate $- {K N O}_{3}$
Ammonium hydroxide $- {N H}_{4} O H$

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