d) An aluminium ore sample was dissolved in HNO3, filtered and precipitated into Al(OH)3 after the reaction with a base. The precipitate was subsequently washed and ignited into alumina, Al2O3 which was later cooled in a dessicator and weighed 0.1095 g.i) Determine the gravimetric factor for the above analysis.ii) Calculate the weight of Al in the sample.(3 marks)(3 marks
d) An aluminium ore sample was dissolved in HNO3, filtered and precipitated into Al(OH)3 after the reaction with a base. The precipitate was subsequently washed and ignited into alumina, Al2O3 which was later cooled in a dessicator and weighed 0.1095 g.
i) Determine the gravimetric factor for the above analysis.
ii) Calculate the weight of Al in the sample.
(3 marks)
(3 marks
d) An aluminium ore sample was dissolved in HNO3, filtered and precipitated into Al(OH)3 after the reaction with a base.
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d) An aluminium ore sample was dissolved in HNO3, filtered and precipitated into Al(OH)3 after the reaction with a base.
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