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58.5
Relative formula mass (Mr) is found by adding together the relative atomic masses (Ar) of all the atoms present in a compound.
S...
Alkanes are saturated because they contain only single covalent bonds. Alkenes are unsaturated because they do have double covalent bonds.
What you need for these equations are a calculator, periodic table and the following equation:
Mass (g) = Mr x Moles (important equation to remember)
In t...
An Atom is made up of 3 parts, protons, neutrons and electrons. Each element has it's own number of protons and electrons<...
concentration = moles / volume
must convert volume into litres 1 litre = 1000cm3 (divide by 1000)
c= n/v = 0.4/0.025 = 16mol/l
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