Question

when 5 gram of calcium is burnt in 2 gram of oxygen than 7 gram of calcium oxide is produced what mass of calcium oxide will be produced when 5 gram of calcium is band in 20 gram of oxygen which law of chemical combination will govern your answer

Answer 1

hloo mate.

here is your answer


.... then 25gram of calcium oxide will be produced.




LAW OF CONSERVATION OF MASS IS FOLLOWED HERE.
this law states that the mass of reactants before a chemical reaction is equal to the mass of product formed after the reaction..







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