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secondary 4 | E Maths
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15.0 g of a sample of anhydrous sodium sulfate containing impurity was dissolved in water. Excess barium chloride solution was added and a precipitate of barium sulfate and sodium chloride solution was obtained as products. The mixture was filtered, dried and weighed. The mass of the precipitate was found to be 23.3 g.
Date Posted: 3 months ago
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Date Posted:
3 months ago
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