Q. 815.0( 2 Votes )
One of the forms
According to question-
(a) Solid P - Calcium Carbonate (CaCO3)
Gas Q - Carbon dioxide (CO2)
Solid R - Calcium oxide (CaO)
(b) Total mass of Q and R = 22gm + 28gm = 50gm
(c) Total mass of Q and R (50gm) is equal to mass of reactant (50gm).
(d) The law of conservation of mass is followed, i.e. total mass of product is equal to mass of reactant.
(e) Law of conservation of mass is illustrated by the example.
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