2 g of aluminium metal is mixed with 11.5 g of sulphuric acid, H2SO4 to form aluminium sulphate and hydrogen gas.
i) Write the balanced chemical equation for the reaction. ii)Identify the limiting reactant. [R.A.M: Al = 27, H = 1, S = 32, O = 16] iii) Calculate the theoretical yield of the hydrogen gas formed in terms of: i. mass in grams ii. number of molecules [Avogadro’s number: 6.022 x 10 23] iv)Calculate the theoretical yield (mass in grams) of the aluminium sulphate produced. v)How many grams of the excess reactant remains after the reaction is completed? vi) What is the actual yield obtained for aluminium sulphate if the percentage yield is 98.12%?
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