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It is the shorthand method of representing the composition of a
substance by using chemical symbols.
2. He is a Chemist who investigated the composition of hydrogen and
oxygen in water and gave a percentage composition of 11% and 89%
respectively
3. It is the percentage by mass of each of the elements in the compound.
4. The general formula in calculating percentage composition.
5. The sum of the mass percentages of each element of a compound.
PAPT​