What is meant by the law of conservation of mass? If 12 g of C is burnt in the presence of O2, how much CO2 will be formed?; [Atomic mass of C = 12 u, O = 16 u]
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Explanation:
The law of conservation of mass states that in a chemical reaction, mass can neither be created nor destroyed. It means that mass of reactants is always equal to the mass of products. It was given by Antoine Lavoisier.
Mass of carbon=12 g
Mass of oxygen=32 g
Mass of carbon dioxide=12+32
=44g
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Answer: Law of conservation of mass states that mass can neither be created nor be destroyed.
mass of carbon= 12 u , mass of oxygen= 16 u
mass of CO2 = 12 + ( 16*2 )
=12 + 32
=44 u
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