1.

Find of the total number of atoms in the following : (a) 1 molecule of aluminium sulphate (b) 1 molecule of potassium phosphate (c ) 1 molecule of magnesium nitride

Answer» (a) Aluminium sulphate ` to AI_(2) (SO_(4))_(3) to 17` atoms
(b) Potassium phosphate ` to K_(3) PO_(4) to 8` atoms
(c ) Magnesium nitride `to Mg_(3) N_(2) to 5` atoms


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