1.

If 12 g is carbon is burnt in the presence of 32g of oxygen, how much CO_(2) will be formed.

Answer»

Solution :GIVEN, the reaction is CARBON +Oxygen `to` Carbondioxide
Mass of carbon `=12G`
Mass of oxygen =32g
Mass of carbondioxide `(Co_(2))=Xg`
Since the reaction is in agreement with the LAW of conservation of mass, then
then mass of reactants =total mass of products
i.e., `12g+32g=x i.e,X=44g`
THEREFORE, Mass of carbonadioxide `(CO_(2))` formed =44g


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