**Given the following relative atomic masses: Cu = 64, S = 32 and O = 16; calculate the relative formula mass of copper sulphate, CuSO**[rfm-1]_{4}**Given the following relative atomic masses: H = 1 and C = 12; calculate the relative molecular mass of ethane, C**[rfm-2]_{2}H_{6}**Given the following relative atomic masses: H = 1 and C = 12; calculate the relative molecular mass of octane, C**[rfm-3]_{8}H_{18}**Given the following relative atomic masses: H = 1, N = 14 and O = 16; calculate the relative formula mass of nitric acid, HNO**[rfm-4]_{3}**Given the following relative atomic masses: H = 1, N = 14 and O = 16; calculate the relative formula mass of ammonium nitrate, NH**[rfm-5]_{4}NO_{3}**Given the following relative atomic masses: H = 1, N = 14, O = 16 and S = 32; calculate the relative formula mass of ammonium sulphate, (NH**[rfm-6]_{4})_{2}SO_{4}**Given the following relative atomic masses: H = 1, O = 16 and S = 32; calculate the relative formula mass of sulphuric acid, H**[rfm-7]_{2}SO_{4}**Given the following relative atomic masses: O = 16, Al = 27 and S = 32; calculate the relative formula mass of aluminium sulphate, Al**[rfm-8]_{2}(SO_{4})_{3}**Given the following relative atomic masses: H = 1 and Cl = 35.5, calculate the relative formula mass of hydrochloric acid, HCl**[rfm-9]**Given the following relative atomic masses: Na = 23 and Cl = 35.5, calculate the relative formula mass of sodium chloride, NaCl**[rfm-10]**Given the following relative atomic masses: Ca = 40 and Cl = 35.5, calculate the relative formula mass of calcium chloride, CaCl**[rfm-11]_{2}**Given the following relative atomic masses: H = 1, O = 16 and Mg = 24, calculate the relative formula mass of magnesium hydroxide, Mg(OH)**[rfm-12]_{2}**Given the following relative atomic masses: Al = 27 and Cl = 35.5, calculate the relative formula mass of aluminium chloride, AlCl**[rfm-13]_{3}**Given the following relative atomic masses: H = 1, O = 16 and Al = 27, calculate the relative formula mass of aluminium hydroxide, Al(OH)**[rfm-14]_{3}**Given the following relative atomic masses: H = 1, C = 12 and O = 16; calculate the relative molecular mass of glucose, C**[rfm-15]_{6}H_{12}O_{6}**Given the following relative atomic masses: H = 1, C = 12 and O = 16; calculate the relative molecular mass of ethanol ('alcohol'), C**[rfm-16]_{2}H_{5}OH**Given the following relative atomic masses: H = 1, C = 12 and O = 16; calculate the relative molecular mass of ethanoic acid ('acetic acid'), CH**[rfm-17]_{3}COOH**Given the following relative atomic masses: O = 16 and Fe = 56; calculate the relative formula mass of iron(II) oxide, FeO**[rfm-18]**Given the following relative atomic masses: O = 16 and Fe = 56; calculate the relative formula mass of iron(III) oxide, Fe**[rfm-19]_{2}O_{3}**Given the following relative atomic masses: O = 16 and Fe = 56; calculate the relative formula mass of the iron oxide, Fe**[rfm-20]_{3}O_{4}**Given the following relative atomic masses: H = 1 and C = 12; calculate the relative molecular mass of methane, CH**[rfm-21]_{4}**Given the following relative atomic masses: H = 1 and C = 12; calculate the relative molecular mass of propane, C**[rfm-22]_{3}H_{8}**Given the following relative atomic masses: C = 12 and O = 16; calculate the relative molecular mass of carbon dioxide, CO**[rfm-23]_{2}**Given the following relative atomic masses: C = 12, O = 16 and Cu = 64; calculate the relative formula mass of copper carbonate, CuCO**[rfm-24]_{3}**Given the following relative atomic masses: C = 12, O = 16 and Ca = 40; calculate the relative formula mass of calcium carbonate, CaCO**[rfm-25]_{3}