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Solve this question u. 150 moles C12 x3 moles 02/1 mole KC103 x 122.5 g/l mole KC103 (d) 0.150 moles C] 2 x 3 moles C12/1 mole KCIO± xl mole KC103/122.S g 69. 2.0 g of a sample contains mixture of Si02 and 203. On very strong heating, it leaves a residue weighing 1.96 g. The reaction responsible for loss of mass is given below. Fe20g (s) (unbalance equation) What is the percentage by mass of Si02 in original sample ? (a) 10% (C) 400/0

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