AQA Jun 2016 Paper 1 Q3

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do not write outside the box a compounds containing cu oh and co basic copper carbonates ions are sometimes described as solid cu oh co is added to an excess of dilute hydrochloric acid a solution of copper ii chloride is formed together with two other products a i write an equation for the reaction marks a ii suggest one observation that could be made during the reaction mark b a g sample of a different basic copper carbonate contains g of carbon g of hydrogen and g of oxygen b i state what is meant by the term empirical formula mark b ii calculate the empirical formula of this basic copper carbonate show your working marks turn over wmp jun chem

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