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A 120gm CaCO(3) sample having inert impu...

A `120gm CaCO_(3)` sample having inert impurities on heating produced `56gm` of residue. Find `%` punity of sample .

Text Solution

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`{:("Balanced Rxn". ,CaCO_(3)(s),overset(Delta)rarr,CaO(s),+,CO_(2)(g)),(,,1mol,,56gm,),(,,=100ml,=mol,,):}`
`%` purity `=(100)/(120) xx 100 = 83.3 %` .
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