Barium sulphate forms as a precipitate in the following reaction: Ba(NO3)2 + Na2SO4 = BaSO4 + 2NaNO3 When 35g of Ba(NO3)2 is reacted with excess Na2SO4, 27.1g of BaSO4 is recovered by a chemist a) Calculate the theoterical yield of BaSO4 b) Calculate the percentage yield of BaSO4 c) Calculate the percentage error

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