1.

2.746 g of a compound on analysis gave 1.94 g of silver, 0.268 g of sulphur and 0.538 g of oxygen. Find the empirical formula of the compound.

Answer»

Solution :The PERCENT composition of elements can be calculated as FOLLOWS :
% Ag `=1.94/2.746 XX 100 = 70.6 %`
`5 S = 0.268/2.746 xx 100 = 9.76 %`
`% O = 0.538/2.746 xx 100 = 19.6 %`
Calculation of empirical FORMULA:

`therefore` The empirical formula of the given compound is `Ag_(2)SO_(4)`.


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