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a measure of the amount of substance per unit volume. Unit: mol.dm-3
any different samples of a chemical compound will be made of the same elements (will have the...
hydrogen peroxide (H2O2) will spontaneously react (decompose) to form water and oxygen. One...
a substance that improves the efficiency of a catalyst is called a promoter.
the radius of an ion of an atom, from the nucleus to the outermost.