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Experiments of copper (II) sulphate   This experiment is to
calculate the x which is water of crystallization and the
chemical equation is CuSO4 (aq) · xH2O (s) and to observed
colour changed when complex formation of copper (II) sulphate
are formed.   Molar mass is summation of all the atomic masses
in a chemical equation.  Transition metals are the elements
which are found in the d-block in The Periodic Table. The
element which is in the first transition series is strong
oxidizers and they can form bivalent metal ions which have
reducibility and its charge is 2+. Because of empty of
d-orbital, transition metals easily form coordination compounds.
Copper can form coordination compound; however, its d10
structure is stable so that its highest charge is +3.
Hydrochloric acid, its chemical formula is HCl. It is a strong
acid and is easily vaporize so that after opening the container
wh