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(SCI 10) SEM 2
(SCI) Law of Conservation of Mass
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ANTOINE LAVOISIER
- Proposed the law of conservation of
mass
In any balanced chemical equation, the number of atoms on the LHS of the equation is always
EQUAL
to the number of atoms on the
RHS
of the equation.
LAW
OF CONSERVATION OF MASS
A matter CANNOT be created nor
destroyed
in a
closed system
, only altered in form
m1 =
total mass
of the
reactants
m2 =
total mass
of the
products